Membrane type hi-res stock photography and images - Page 5

. Comparative dental anatomy. Teeth; Dentistry. THE TEETH OF VERTEBRATES 49 jaw so as to enable the animal to use the tooth (Fig. 12). The thecodont tooth is ankylosed in a socket and is the type found in the higher reptiles and a few fishes. The tooth is more firmly supported in this form than in any other (Fig. 13). 4th. By Implantation in a bony socket, as. Fig. 12.—Mandible of Eel (Anguilla rostrata), showing pleurodont attachment of teeth. found in some Eeptiles and in the entire class of Mammalia. It is the method of attachment in man. There is an intervening membrane, a modi- fied perio Stock Photo

RMREEXK9–. Comparative dental anatomy. Teeth; Dentistry. THE TEETH OF VERTEBRATES 49 jaw so as to enable the animal to use the tooth (Fig. 12). The thecodont tooth is ankylosed in a socket and is the type found in the higher reptiles and a few fishes. The tooth is more firmly supported in this form than in any other (Fig. 13). 4th. By Implantation in a bony socket, as. Fig. 12.—Mandible of Eel (Anguilla rostrata), showing pleurodont attachment of teeth. found in some Eeptiles and in the entire class of Mammalia. It is the method of attachment in man. There is an intervening membrane, a modi- fied perio

. Animal parasites and human disease. Medical parasitology; Insects as carriers of disease. 42 SPIROCHETES includes such diseases as syphQis, yaws, and infectious jaundice. The third type is that in which occur only local ulcerating sores of skin or mucous membrane; of such a nature are the other diseases named above. Relapsing Fever In every continent in the world, with the possible exception of Australia, there occurs a form of relapsing fever caused by spiro- chsetes in the blood. In Africa it ranks next to malaria and sleeping sickness as a scourge of that disease-cursed country. In India Stock Photo

RMRD9TRM–. Animal parasites and human disease. Medical parasitology; Insects as carriers of disease. 42 SPIROCHETES includes such diseases as syphQis, yaws, and infectious jaundice. The third type is that in which occur only local ulcerating sores of skin or mucous membrane; of such a nature are the other diseases named above. Relapsing Fever In every continent in the world, with the possible exception of Australia, there occurs a form of relapsing fever caused by spiro- chsetes in the blood. In Africa it ranks next to malaria and sleeping sickness as a scourge of that disease-cursed country. In India

. Animal physiology. Physiology, Comparative; Physiology, Comparative. ARRANGEMENT OP THE PERICARDIUM. 199. -7* Fig. 116.—Diagram of the Pericardium. aa, auricles ; vv, ventricles; b, pulmonary artery; c, aorta; pp', pericardium. cause it affords a simple type or specimen of the mode in which other membranes of similar character are arranged round other organs, such as the lungs, bowels, and brain, and also in the joints. In Fig. 116 is seen the heart sus- pended freely in its cavity, by the large vessels proceeding from its top. This cavity is completely lined by the membrane p', which closel Stock Photo

RMRN4249–. Animal physiology. Physiology, Comparative; Physiology, Comparative. ARRANGEMENT OP THE PERICARDIUM. 199. -7* Fig. 116.—Diagram of the Pericardium. aa, auricles ; vv, ventricles; b, pulmonary artery; c, aorta; pp', pericardium. cause it affords a simple type or specimen of the mode in which other membranes of similar character are arranged round other organs, such as the lungs, bowels, and brain, and also in the joints. In Fig. 116 is seen the heart sus- pended freely in its cavity, by the large vessels proceeding from its top. This cavity is completely lined by the membrane p', which closel

. Bacterial photosynthesis. Bacteria -- Physiology; Photosynthesis. :..-, . .. iS.#,'. Fig. 3. Section of R. rubrion growing exponentially under strictly aerobic conditions in the dark and containing only traces of photosyn- thetic pigments. The membrane-bounded vesicles are extremely rare in this type of cell. Arrows indicate two such vesicles. Main fixation 2 hours, followed by a short treatment with ribonucleasc; post stain- ing with lead hydroxide. X 120,000. Fig. 4. Section of R. rubruniirom a culture grown aerobically in the dark, and then allowed to synthesize photosynthetic pigments fo Stock Photo

RMRJMH57–. Bacterial photosynthesis. Bacteria -- Physiology; Photosynthesis. :..-, . .. iS.#,'. Fig. 3. Section of R. rubrion growing exponentially under strictly aerobic conditions in the dark and containing only traces of photosyn- thetic pigments. The membrane-bounded vesicles are extremely rare in this type of cell. Arrows indicate two such vesicles. Main fixation 2 hours, followed by a short treatment with ribonucleasc; post stain- ing with lead hydroxide. X 120,000. Fig. 4. Section of R. rubruniirom a culture grown aerobically in the dark, and then allowed to synthesize photosynthetic pigments fo

. Animal parasites and human disease. Insects as carriers of disease; Medical parasitology. 42 SPIROCH.ETES includes such diseases as syphilis, yaws, and infectious jaundice. The third type is that in which occur only local ulcerating sores of skin or mucous membrane; of such a nature are the other diseases named above. Relapsing Fever In every continent in the world, with the possible exception of Australia, there occurs a form of relapsing fever caused l)y spiro- chaetes in the blood. In Africa it ranks next to malaria and sleeping sickness as a scourge of that disease-cursed country. In Ind Stock Photo

RMRN53AX–. Animal parasites and human disease. Insects as carriers of disease; Medical parasitology. 42 SPIROCH.ETES includes such diseases as syphilis, yaws, and infectious jaundice. The third type is that in which occur only local ulcerating sores of skin or mucous membrane; of such a nature are the other diseases named above. Relapsing Fever In every continent in the world, with the possible exception of Australia, there occurs a form of relapsing fever caused l)y spiro- chaetes in the blood. In Africa it ranks next to malaria and sleeping sickness as a scourge of that disease-cursed country. In Ind

. The Cambridge natural history. Zoology. 52 DEVELOPMENT OF TEETH and other vertebrates as was at one time assumed. But m order to explain this very important part of the subject it will be necessary to give some account of the development of the teeth. The type selected is the Hcd-elK)-'. which has been recently and carefully described liy Dr. Leche of Stockholm,. Fig. 37.—Two stages lu tlie development of the teetli of a Mammal (diagrammatic sec- tions). ah Bone of alveolus ; tJenl^ dentine ; dent.s, dental sac ; en, enamel ; eu.m, enamel membrane ; eiijn, enamel membrane of permanent toot Stock Photo

RMRDMB4G–. The Cambridge natural history. Zoology. 52 DEVELOPMENT OF TEETH and other vertebrates as was at one time assumed. But m order to explain this very important part of the subject it will be necessary to give some account of the development of the teeth. The type selected is the Hcd-elK)-'. which has been recently and carefully described liy Dr. Leche of Stockholm,. Fig. 37.—Two stages lu tlie development of the teetli of a Mammal (diagrammatic sec- tions). ah Bone of alveolus ; tJenl^ dentine ; dent.s, dental sac ; en, enamel ; eu.m, enamel membrane ; eiijn, enamel membrane of permanent toot

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 48 CLARK ET AL. 1jum. FIGURE 6. Section through diverticulum of digestive gland of unstarved Costasiella lilianae. C,— type 1 cell; C2—type 2 cell; P—plastid. FIGURE 7. Symbiotic chloroplast from digestive gland cell of unstarved Costasiella lilianae. Cm— chloroplast membrane; Hm—host membrane; Pg—plastoglobuli; Py—pyrenoid; Tb—Thylakoid band.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not p Stock Photo

RMRHN5G3–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 48 CLARK ET AL. 1jum. FIGURE 6. Section through diverticulum of digestive gland of unstarved Costasiella lilianae. C,— type 1 cell; C2—type 2 cell; P—plastid. FIGURE 7. Symbiotic chloroplast from digestive gland cell of unstarved Costasiella lilianae. Cm— chloroplast membrane; Hm—host membrane; Pg—plastoglobuli; Py—pyrenoid; Tb—Thylakoid band.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not p

. Bulletin - United States National Museum. Science. 152 A MANUAL OF AMERICAN LAND SHELLS. cutting- point, is very sbort, reacliing only about half way to the lower edge of the base of attachment. Laterals of same type; the second has a side cutting point. Marginals low, wide, very variable in the denticles, but usually with one long, broad, sharply bifid inner denticle (the inner point much the smaller), and one short, sharp, rarely bifid outer denticle. There are 24 laterals. The twenty-second tooth has the side cutting point; on another membrane, the twentieth (Terr. Moll., V, Plate IX, Fig Stock Photo

RMRG8R66–. Bulletin - United States National Museum. Science. 152 A MANUAL OF AMERICAN LAND SHELLS. cutting- point, is very sbort, reacliing only about half way to the lower edge of the base of attachment. Laterals of same type; the second has a side cutting point. Marginals low, wide, very variable in the denticles, but usually with one long, broad, sharply bifid inner denticle (the inner point much the smaller), and one short, sharp, rarely bifid outer denticle. There are 24 laterals. The twenty-second tooth has the side cutting point; on another membrane, the twentieth (Terr. Moll., V, Plate IX, Fig

. Birds of Kansas. Birds. BIRDS OF KANSAS 17. the three toes in front and the hind toe, all joined together by a web (toti-palniate) (see cut No. 4) ; the Ducks and Geese have the three front toes only united (palmate) (see cut No. 2); while in the " Mud Hen," " Coot," each toe has a separate lobed membrane on it ( See cut No. 8). A type that must overlooked is the foot ( see cut No. 1 song birds, of which "Downy," the Kin and the Hawk are. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - Stock Photo

RMRHJH5F–. Birds of Kansas. Birds. BIRDS OF KANSAS 17. the three toes in front and the hind toe, all joined together by a web (toti-palniate) (see cut No. 4) ; the Ducks and Geese have the three front toes only united (palmate) (see cut No. 2); while in the " Mud Hen," " Coot," each toe has a separate lobed membrane on it ( See cut No. 8). A type that must overlooked is the foot ( see cut No. 1 song birds, of which "Downy," the Kin and the Hawk are. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. * . i 01. 5D Figure 5. (A) Exocytosis of Type A granules. The contents of Type A granules (Al) are released from the more mature oocyte (Ol) to form the layers of its mature shell (S) interior to the thin primary shell (TS1). Darts indicate the long, often tortuous profiles of the membranes of the Type A granules during exocytosis. The asterisk marks a small membrane-hounded fragment of cytoplasm that may no longer be 60. Please note that these images are extracted from scanned page images that may have been digitally enhanc Stock Photo

RMRHMY0R–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. * . i 01. 5D Figure 5. (A) Exocytosis of Type A granules. The contents of Type A granules (Al) are released from the more mature oocyte (Ol) to form the layers of its mature shell (S) interior to the thin primary shell (TS1). Darts indicate the long, often tortuous profiles of the membranes of the Type A granules during exocytosis. The asterisk marks a small membrane-hounded fragment of cytoplasm that may no longer be 60. Please note that these images are extracted from scanned page images that may have been digitally enhanc

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CILIARY TYPE TISSUE IN FISH 135. FIGURE 4. Mummichog. Low power view of a dark cell with contrasting interdigitations from neighboring light cell(s) of the NPL. Note the one-to-one relationship of the interdigitations. Scale: 1.0 mcron. (Fig. 3), blue gill, and trout have highly irregular, branching folds projecting from the surfaces. Another characteristic showing a degree of variation is found in the inner lim- iting membrane on the surface of the epithelium. In most fish it is well developed and strongly adherent (goldfis Stock Photo

RMRHN5F5–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CILIARY TYPE TISSUE IN FISH 135. FIGURE 4. Mummichog. Low power view of a dark cell with contrasting interdigitations from neighboring light cell(s) of the NPL. Note the one-to-one relationship of the interdigitations. Scale: 1.0 mcron. (Fig. 3), blue gill, and trout have highly irregular, branching folds projecting from the surfaces. Another characteristic showing a degree of variation is found in the inner lim- iting membrane on the surface of the epithelium. In most fish it is well developed and strongly adherent (goldfis

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 4. Sketches to show more extensive action of the solution on the eggs. In a and c may be seen various degrees of multiple pigment foci. In b is an egg with purely cytoplasmic cleavage, a process resembling fragmentation. In d is a "polar" view of an egg to show the general picture presented by the clumped pigment. For explanation see text. the egg membrane (Fig. 4, a). This action is associated in a very small number of the eggs with a pseudo-cleavage of the type described above, or with a constriction of the Stock Photo

RMRHMW19–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 4. Sketches to show more extensive action of the solution on the eggs. In a and c may be seen various degrees of multiple pigment foci. In b is an egg with purely cytoplasmic cleavage, a process resembling fragmentation. In d is a "polar" view of an egg to show the general picture presented by the clumped pigment. For explanation see text. the egg membrane (Fig. 4, a). This action is associated in a very small number of the eggs with a pseudo-cleavage of the type described above, or with a constriction of the

. Comparative morphology of Fungi. Fungi. 214 COMPARATIVE MORPHOLOGY OF FUNGI the foot in Kusanoopsis, this second type spreads over the substrate in a sterile stromatic plectenchyma, which, in the forms on animals, as M. Duriaei maybe pulvinate, thestromatal hyphae being sclerotic and narrow lumened (Fig. 137, C); those on plants, as in M. Pritzelianum, form only a thin membrane of hyphae with unthickened walls. The cells on the surface of the stroma become brown and change to a dark, otherwise undifferentiated, rind. From this sterile basal stroma arises a tuft of numerous vertical processes Stock Photo

RMREF88E–. Comparative morphology of Fungi. Fungi. 214 COMPARATIVE MORPHOLOGY OF FUNGI the foot in Kusanoopsis, this second type spreads over the substrate in a sterile stromatic plectenchyma, which, in the forms on animals, as M. Duriaei maybe pulvinate, thestromatal hyphae being sclerotic and narrow lumened (Fig. 137, C); those on plants, as in M. Pritzelianum, form only a thin membrane of hyphae with unthickened walls. The cells on the surface of the stroma become brown and change to a dark, otherwise undifferentiated, rind. From this sterile basal stroma arises a tuft of numerous vertical processes

. Principles of modern biology. Biology. NUCLEOPLASM CHROMATIN PLASMA MEMBRANE NUCLEAR MEMBRANE CYTOPLASM Fig. 2-2. A typical animal cell. Fig. 2-3. In a few primitive cells the nuclear and cytoplasmic materials are not separated very distinctly; that is, no distinct nuclear mem- brane is present. In this case the chromatin granules, or chromidia (the most darkly shaded particles in the cells), are more or less scattered throughout the cytoplasm. A, B, and C, cells of different blue-green algae, showing transitional stages in the development of the delimited type of nucleus. (After Acton.) i Stock Photo

RMRDYX5E–. Principles of modern biology. Biology. NUCLEOPLASM CHROMATIN PLASMA MEMBRANE NUCLEAR MEMBRANE CYTOPLASM Fig. 2-2. A typical animal cell. Fig. 2-3. In a few primitive cells the nuclear and cytoplasmic materials are not separated very distinctly; that is, no distinct nuclear mem- brane is present. In this case the chromatin granules, or chromidia (the most darkly shaded particles in the cells), are more or less scattered throughout the cytoplasm. A, B, and C, cells of different blue-green algae, showing transitional stages in the development of the delimited type of nucleus. (After Acton.) i

. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. HEMITROCHUS. 175 The jaw is strongly arched with acuminated ends, smooth anterior surface, and decided median prominence to cutting margin. Fig. 84 represents the jaw of varians. The other West-Indian species examined by me 1 J Fig. 84. have the same type of jaw. The lingual membrane (PI. IV. Fig. L) has about 33—1—33 teeth; another specimen gave 43—1—43 teeth, with 17 perfect laterals. The central tooth has a long, narrow base of attach- ment with lower, outer angular expansions and incurved lower margin. The reflect Stock Photo

RMRGG2DR–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. HEMITROCHUS. 175 The jaw is strongly arched with acuminated ends, smooth anterior surface, and decided median prominence to cutting margin. Fig. 84 represents the jaw of varians. The other West-Indian species examined by me 1 J Fig. 84. have the same type of jaw. The lingual membrane (PI. IV. Fig. L) has about 33—1—33 teeth; another specimen gave 43—1—43 teeth, with 17 perfect laterals. The central tooth has a long, narrow base of attach- ment with lower, outer angular expansions and incurved lower margin. The reflect

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 204 V. T. MARTIN AND M. B. THOMAS. S 3a FIGURE 3. At the 4-!mur cleavage stage: a. intercalations of plasmalemma between ad- jacent cells are abundant (arrow); and b. cytoplasmic lobules contain segments of granular endoplasmic reticulum coalesced beneath the limiting membrane of the lobule (arrow). G represents Golgi body; G-I, Type I granule; M, mitochondrion; Mv, microvillus; SC, surface coat; and V", vacuole.. Please note that these images are extracted from scanned page images that may have been digitally enhanced Stock Photo

RMRHMHY6–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 204 V. T. MARTIN AND M. B. THOMAS. S 3a FIGURE 3. At the 4-!mur cleavage stage: a. intercalations of plasmalemma between ad- jacent cells are abundant (arrow); and b. cytoplasmic lobules contain segments of granular endoplasmic reticulum coalesced beneath the limiting membrane of the lobule (arrow). G represents Golgi body; G-I, Type I granule; M, mitochondrion; Mv, microvillus; SC, surface coat; and V", vacuole.. Please note that these images are extracted from scanned page images that may have been digitally enhanced

. The biology of the Protozoa. Protozoa; Protozoa. NUCLEI AND KINETIC ELEMENTS 63 in the form of more or less regular chromomeres uniformly dis- tributed in the nuclear space (Euglena type, Fig. 25), or more or less compactly aggregated about the kinetic element (many species of Endamoeba, various flagellates, Coccidia and Myxosporidia, etc.). Or, finally, the chromatin may be in the form of relatively large granules collected in a zone just within the nuclear membrane {e. g., Pelomyxa), or in fine granular form may make up the chief part of the nuclear membrane {Vahlkampfia Umax, Fig. 26).. F Stock Photo

RMRHK4M6–. The biology of the Protozoa. Protozoa; Protozoa. NUCLEI AND KINETIC ELEMENTS 63 in the form of more or less regular chromomeres uniformly dis- tributed in the nuclear space (Euglena type, Fig. 25), or more or less compactly aggregated about the kinetic element (many species of Endamoeba, various flagellates, Coccidia and Myxosporidia, etc.). Or, finally, the chromatin may be in the form of relatively large granules collected in a zone just within the nuclear membrane {e. g., Pelomyxa), or in fine granular form may make up the chief part of the nuclear membrane {Vahlkampfia Umax, Fig. 26).. F

. Bulletin - United States National Museum. Science. 58 U.S. NATIONAL MUSEUM BULLETIN 261 present, separated at base, each articulated with posterolateral angle of connective and with one or more short branches, each paraphysis closely associated with base of aedeagus and connected with it by a membrane.. Figure 46.—Tunga cartwrighti, new species (plates not shown in c, paraphyses shown in f and g): j, male pygofer, right side, posterior view. Tunga is known from Central America and Colombia. Specimens are very rare in collections. The female is known only for the type-species, in which the ab Stock Photo

RMRG7C5B–. Bulletin - United States National Museum. Science. 58 U.S. NATIONAL MUSEUM BULLETIN 261 present, separated at base, each articulated with posterolateral angle of connective and with one or more short branches, each paraphysis closely associated with base of aedeagus and connected with it by a membrane.. Figure 46.—Tunga cartwrighti, new species (plates not shown in c, paraphyses shown in f and g): j, male pygofer, right side, posterior view. Tunga is known from Central America and Colombia. Specimens are very rare in collections. The female is known only for the type-species, in which the ab

. Natural history. Zoology. 510 PISCES—SUB-CLASS III. — TELEOSTOMI. heterocercal type. In the skeleton, the vertebrae are unique among living fishes in that the articular surfaces of their bodies form a cup behind and a ball in front. The air-bladder has a duct, and the nerves supplying the eyes where they meet one another in the middle line give off interlacing fibres, and there are remnants of a spiral valve in the lining membrane of the intestine. Bony pike, which are abundant in many of the North American rivers, are very analogous in their habits to true pike, feeding upon other fishes. S Stock Photo

RMRDX85D–. Natural history. Zoology. 510 PISCES—SUB-CLASS III. — TELEOSTOMI. heterocercal type. In the skeleton, the vertebrae are unique among living fishes in that the articular surfaces of their bodies form a cup behind and a ball in front. The air-bladder has a duct, and the nerves supplying the eyes where they meet one another in the middle line give off interlacing fibres, and there are remnants of a spiral valve in the lining membrane of the intestine. Bony pike, which are abundant in many of the North American rivers, are very analogous in their habits to true pike, feeding upon other fishes. S

. Bulletin - United States National Museum. Science. PHILIPPINE MACROUROID FISHES GILBERT AND HUBBS. 399 vary widely, as it does in the related species. The pseudobranchiae are covered by membrane in the three specimens at hand. The rather widely spaced gill-rakers are smooth on their inner edge, and are bluntly tipped; they are about half as long as the orbit. Gill- rakers 5+23 and 5+24 in the type, 5+22 and 5+21 in the larger paratype. The branchial aperture extends forward to below the front of the pupil; a slit is present behind the last gill; seven branchi- ostegals. In the paratype exami Stock Photo

RMRG755G–. Bulletin - United States National Museum. Science. PHILIPPINE MACROUROID FISHES GILBERT AND HUBBS. 399 vary widely, as it does in the related species. The pseudobranchiae are covered by membrane in the three specimens at hand. The rather widely spaced gill-rakers are smooth on their inner edge, and are bluntly tipped; they are about half as long as the orbit. Gill- rakers 5+23 and 5+24 in the type, 5+22 and 5+21 in the larger paratype. The branchial aperture extends forward to below the front of the pupil; a slit is present behind the last gill; seven branchi- ostegals. In the paratype exami

. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. ARIOLIMAX. 233 ArioUmnx CaUfornicm, J. 0. Coopkr, Proc. Acad. Nat. Sc. of Phila., 1872, 146, PI. 111. Fig. 1), 1-3. In the California Province, around San Francisco, and in the Sierra Nevada (latitude 39°) of the elevation of 3,500 feet. Fig. 131.. A. Californicus, contracted in spirits. Jaw (see p. 227). The lingual membrane (PI. V. Fig. F) has the same type of dentition as in A. Columbianus, but the bases of attachment are more developed, and are pro- duced beyond the reflection at their upper margin. There Stock Photo

RMRGD6B8–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. ARIOLIMAX. 233 ArioUmnx CaUfornicm, J. 0. Coopkr, Proc. Acad. Nat. Sc. of Phila., 1872, 146, PI. 111. Fig. 1), 1-3. In the California Province, around San Francisco, and in the Sierra Nevada (latitude 39°) of the elevation of 3,500 feet. Fig. 131.. A. Californicus, contracted in spirits. Jaw (see p. 227). The lingual membrane (PI. V. Fig. F) has the same type of dentition as in A. Columbianus, but the bases of attachment are more developed, and are pro- duced beyond the reflection at their upper margin. There

. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. A. Californicus, contracted in spirits. Jaw (see p. 227). The lingual membrane (PI. V. Fig. F) has the same type of dentition as in A. Columbianus, but the bases of attachment are more developed, and are pro- duced beyond the reflection at their upper margin. There are 80—1—80 teeth, with 9 perfect laterals. The genital system of A. Cali/ornicus is figured in D of PI. XII. The testicle does not lie far away, imbedded in, or resting on, the upper lobes of the liver, but lies close against the ovary, in the sem Stock Photo

RMRGD6AN–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. A. Californicus, contracted in spirits. Jaw (see p. 227). The lingual membrane (PI. V. Fig. F) has the same type of dentition as in A. Columbianus, but the bases of attachment are more developed, and are pro- duced beyond the reflection at their upper margin. There are 80—1—80 teeth, with 9 perfect laterals. The genital system of A. Cali/ornicus is figured in D of PI. XII. The testicle does not lie far away, imbedded in, or resting on, the upper lobes of the liver, but lies close against the ovary, in the sem

. The mechanistic conception of life; biological essays. Life; Biology. 206 The Mechanistic Conception of Life are slightly acid, and at the same time lacking in one of the three important metals, the conditions for the separation of. Fig. 51 Fig. 52 Fig. 53 Fig. 54 Figs. 51-54.—Cell-division in a sear-tLrchin egg, Strongylocentrotus purpura- tus, in normal sea-water. This type of cell-division leads to the formation of one embryo from an egg. M is the fertilization membrane, P a layer of colloidal substance which seems to serve the purpose of keeping all the cells of an egg together. the firs Stock Photo

RMRE0GG6–. The mechanistic conception of life; biological essays. Life; Biology. 206 The Mechanistic Conception of Life are slightly acid, and at the same time lacking in one of the three important metals, the conditions for the separation of. Fig. 51 Fig. 52 Fig. 53 Fig. 54 Figs. 51-54.—Cell-division in a sear-tLrchin egg, Strongylocentrotus purpura- tus, in normal sea-water. This type of cell-division leads to the formation of one embryo from an egg. M is the fertilization membrane, P a layer of colloidal substance which seems to serve the purpose of keeping all the cells of an egg together. the firs

. Brigham Young University science bulletin. Biology -- Periodicals. 56 Bricham Young University Science Bulletin bescence; scutellum and hemelytra more sparse- ly covered with sericeous pubescence, and inter- mixed with suberect, simple pubescence. Heme- lytra white, subtranslucent, membrane and veins pallid. Legs and tibial spines pallid, without dots or spots. Type of the genus: Ankylotylus pal- lipes, new species. Ankylotylus pallipes, new species Fig. 77 Male. Length 4.1 mm, width 1.4 mm. Head: width .85 mm, vertex .37 mm; pallid to yellow- ish; clypeus sharply bent at middle, apical half Stock Photo

RMRH52GD–. Brigham Young University science bulletin. Biology -- Periodicals. 56 Bricham Young University Science Bulletin bescence; scutellum and hemelytra more sparse- ly covered with sericeous pubescence, and inter- mixed with suberect, simple pubescence. Heme- lytra white, subtranslucent, membrane and veins pallid. Legs and tibial spines pallid, without dots or spots. Type of the genus: Ankylotylus pal- lipes, new species. Ankylotylus pallipes, new species Fig. 77 Male. Length 4.1 mm, width 1.4 mm. Head: width .85 mm, vertex .37 mm; pallid to yellow- ish; clypeus sharply bent at middle, apical half

. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. 'Wtmm^^- 326 PR.ECOCIAL GRALLATORES â LISIICOLJ:. i ^Â« l< a '( B. Bill subulutL', the nostrils strictly basal. 2. Lobipes. Fed as in J'linlaivjiiis. 3. Stegauopus. ^^â b between oulur und middle toes not reaching to second joint; lateral membrane to all the toes narrow and scarcely scallopeil. Gknus PHALAROPUS, Brisson. Phalaropus, Biiiss. Orn. VI. 17U0, 12 (type, Tiiiigafutiairia, Vikill.). " Crymnphilus, Vieill. 1816 " (Cassin). â¢ ^^' /;. I" i I', fulkarius. Char. Bill flatte Stock Photo

RMRJ66J2–. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. 'Wtmm^^- 326 PR.ECOCIAL GRALLATORES â LISIICOLJ:. i ^Â« l< a '( B. Bill subulutL', the nostrils strictly basal. 2. Lobipes. Fed as in J'linlaivjiiis. 3. Stegauopus. ^^â b between oulur und middle toes not reaching to second joint; lateral membrane to all the toes narrow and scarcely scallopeil. Gknus PHALAROPUS, Brisson. Phalaropus, Biiiss. Orn. VI. 17U0, 12 (type, Tiiiigafutiairia, Vikill.). " Crymnphilus, Vieill. 1816 " (Cassin). â¢ ^^' /;. I" i I', fulkarius. Char. Bill flatte

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 544 DANIEL L. ALKON. 10 mV I 1.0 nA FIGURE 36. Effect of light and positive-current steps on intact type B photoreceptor. Cell was impaled simultaneously with two microelectrodes : one to measure voltage only, the other to measure voltage as well as to inject current (lower voltage traces in each pair). A: LLD associated with decreased membrane conductance following a 30-sec light step (indi- cated by lowest trace and intensity expressed in —log units). Membrane conductance was measured by injection of negative-current pulse Stock Photo

RMRHN2WD–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 544 DANIEL L. ALKON. 10 mV I 1.0 nA FIGURE 36. Effect of light and positive-current steps on intact type B photoreceptor. Cell was impaled simultaneously with two microelectrodes : one to measure voltage only, the other to measure voltage as well as to inject current (lower voltage traces in each pair). A: LLD associated with decreased membrane conductance following a 30-sec light step (indi- cated by lowest trace and intensity expressed in —log units). Membrane conductance was measured by injection of negative-current pulse

. The Protozoa. Protozoa. B Fig. 68. — Types of collars. A. Codnsiga pulcherrimus Jas. CI. [J. CLARK.] B. Dip- losiga socialis Frenz. [FRENZEL.] C. Salpingceca marinus Jas. CI. [J. Clark.]. 69. — A Cboanofiagellate type. [France.] c, collar; m, swinging mem- brane. is taken in. Entz ('83) and Franc6 ('94) claim, however, that this "mouth-opening" is not a vacuole at all, but the edge of a swinging membrane. According to their view the collar is not a continuous structure with an unbroken wall, but is like a conical roll of paper with a free edge capable of motion (Fig. 69).. Please n Stock Photo

RMRE09AC–. The Protozoa. Protozoa. B Fig. 68. — Types of collars. A. Codnsiga pulcherrimus Jas. CI. [J. CLARK.] B. Dip- losiga socialis Frenz. [FRENZEL.] C. Salpingceca marinus Jas. CI. [J. Clark.]. 69. — A Cboanofiagellate type. [France.] c, collar; m, swinging mem- brane. is taken in. Entz ('83) and Franc6 ('94) claim, however, that this "mouth-opening" is not a vacuole at all, but the edge of a swinging membrane. According to their view the collar is not a continuous structure with an unbroken wall, but is like a conical roll of paper with a free edge capable of motion (Fig. 69).. Please n

. Birds of Kansas. Birds. the three toes in front and the hind toe, all joined together by a web (toti-palniate) (see cut No. 4) ; the Ducks and Geese have the three front toes only united (palmate) (see cut No. 2); while in the " Mud Hen," " Coot," each toe has a separate lobed membrane on it ( See cut No. 8). A type that must overlooked is the foot ( see cut No. 1 song birds, of which "Downy," the Kin and the Hawk are. (lobed). not be perching ) of the those of g fi s h e r varieties. Please note that these images are extracted from scanned page images that may Stock Photo

RMRHJH53–. Birds of Kansas. Birds. the three toes in front and the hind toe, all joined together by a web (toti-palniate) (see cut No. 4) ; the Ducks and Geese have the three front toes only united (palmate) (see cut No. 2); while in the " Mud Hen," " Coot," each toe has a separate lobed membrane on it ( See cut No. 8). A type that must overlooked is the foot ( see cut No. 1 song birds, of which "Downy," the Kin and the Hawk are. (lobed). not be perching ) of the those of g fi s h e r varieties. Please note that these images are extracted from scanned page images that may

. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. ARIOLIMAX. 233 Ariolimax Calif amicus, J. G. Cooper, Proc. Acad. Nat, Sc. of Phila., 1872, 146, PL III. Fig. D, 1-3. In the California Province, around San Francisco, and in the Sierra Nevada (latitude 39°) of the elevation of 3,500 feet. Fig. 131.. A. Californicus, contracted in spirits. Jaw (see p. 227). The lingual membrane (PL V. Fig. F) has the same type of dentition as in A. Columbianus, but the bases of attachment are more developed, and are pro- duced beyond the reflection at their upper margin. There are 80—1 Stock Photo

RMRGG236–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. ARIOLIMAX. 233 Ariolimax Calif amicus, J. G. Cooper, Proc. Acad. Nat, Sc. of Phila., 1872, 146, PL III. Fig. D, 1-3. In the California Province, around San Francisco, and in the Sierra Nevada (latitude 39°) of the elevation of 3,500 feet. Fig. 131.. A. Californicus, contracted in spirits. Jaw (see p. 227). The lingual membrane (PL V. Fig. F) has the same type of dentition as in A. Columbianus, but the bases of attachment are more developed, and are pro- duced beyond the reflection at their upper margin. There are 80—1

. A compendium of general botany. Plants. 44 COMPENDIUM OF GENERAL BOTANY. (c) Division of the plasm with jpai'tial membrane-formation which occui's suhsequently. (d) Cell-formation by budding. In (a) the mother-cell divides into two, more rarely many, daughter-cells. As in type III they receive a complete new mem- brane, but differ in tljat the entire contents of the mother-cell are util- ized. Example: spore-formation among certain moulds (Fig. 119). {h) This is the more usual form of cell-division in tissue-forma- tion. Internal causes bring about a division of the plasm ; then sud- denly t Stock Photo

RMREENEX–. A compendium of general botany. Plants. 44 COMPENDIUM OF GENERAL BOTANY. (c) Division of the plasm with jpai'tial membrane-formation which occui's suhsequently. (d) Cell-formation by budding. In (a) the mother-cell divides into two, more rarely many, daughter-cells. As in type III they receive a complete new mem- brane, but differ in tljat the entire contents of the mother-cell are util- ized. Example: spore-formation among certain moulds (Fig. 119). {h) This is the more usual form of cell-division in tissue-forma- tion. Internal causes bring about a division of the plasm ; then sud- denly t

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. A UNIQUE TYPE OF STARFISH LARVA 183. Figure 6. Scanning electron micrographs of juveniles of Pterasler tessi'latus. Scale bars = 0.2 mm. (Top) Lateral view. Age = 27 days. dorsal membrane (as occurs in adults) was not observed in the juveniles, even six months after settlement (di- ameter a; 2.0-2.1 mm). Ciliary activity was detected on the external surface of the juvenile, including the supra- dorsal membrane, but internal currents that might ven- tilate the nidamental chamber could not be demonstrated with dye streams. Muc Stock Photo

RMRHMF7N–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. A UNIQUE TYPE OF STARFISH LARVA 183. Figure 6. Scanning electron micrographs of juveniles of Pterasler tessi'latus. Scale bars = 0.2 mm. (Top) Lateral view. Age = 27 days. dorsal membrane (as occurs in adults) was not observed in the juveniles, even six months after settlement (di- ameter a; 2.0-2.1 mm). Ciliary activity was detected on the external surface of the juvenile, including the supra- dorsal membrane, but internal currents that might ven- tilate the nidamental chamber could not be demonstrated with dye streams. Muc

. The fungi which cause plant disease . Plant diseases; Fungi. 342 THE FUNGI WHICH CAUSE PLANT DISEASE Wall slightly colored 16. Cionothriz. Telia with a peridium Telia half projecting above the host surface. .• 17. Dietelia. Telia sunken in the tissue of the host 18. EndophyUum, p. 353. Teliospores 2-celled Peridium present 19. Pucciniosita. Peridium none 20. Didymopsora. Melampsora Castaigne (p. 340) 0. Pycnia half spherical. 1. .^cia of caeoma-type, no peridium or paraphyses. II. Urediniospores solitary, membrane colorless. III. Teliospores 1-celled, rarely more, in flat irregularly limited Stock Photo

RMRDDAKN–. The fungi which cause plant disease . Plant diseases; Fungi. 342 THE FUNGI WHICH CAUSE PLANT DISEASE Wall slightly colored 16. Cionothriz. Telia with a peridium Telia half projecting above the host surface. .• 17. Dietelia. Telia sunken in the tissue of the host 18. EndophyUum, p. 353. Teliospores 2-celled Peridium present 19. Pucciniosita. Peridium none 20. Didymopsora. Melampsora Castaigne (p. 340) 0. Pycnia half spherical. 1. .^cia of caeoma-type, no peridium or paraphyses. II. Urediniospores solitary, membrane colorless. III. Teliospores 1-celled, rarely more, in flat irregularly limited

. Bulletin - United States National Museum. Science. EASTEKN PROVINCE INTERIOR REGION SPECIES. 209 direction, however, its rauge is greatest, as I have traced it to the Hot Spriugs of Arkansas, and to Washington County, Texas. Animal bluish slate-color. The caudal pore, locomotive disk, and longitudinal furrows above the edge of the foot are all present. Jaw as usual in the genus. Lingual membrane similar in type to that above described of Z. cap- nodes. Teeth about 57-1-57, with 6 perfect laterals (Terr. Moll, V, Plate II, Fig. J). The genital system is figured in Terr. Moll., V, Plate XI, Fi Stock Photo

RMRG89K1–. Bulletin - United States National Museum. Science. EASTEKN PROVINCE INTERIOR REGION SPECIES. 209 direction, however, its rauge is greatest, as I have traced it to the Hot Spriugs of Arkansas, and to Washington County, Texas. Animal bluish slate-color. The caudal pore, locomotive disk, and longitudinal furrows above the edge of the foot are all present. Jaw as usual in the genus. Lingual membrane similar in type to that above described of Z. cap- nodes. Teeth about 57-1-57, with 6 perfect laterals (Terr. Moll, V, Plate II, Fig. J). The genital system is figured in Terr. Moll., V, Plate XI, Fi

. Bulletin - United States National Museum. Science. BIRDS OF NORTH AND MIDDLE AMERICA 193 Jonocicca Salvadoei, Ann. Mus. Civ. Stor. Nat. Genoa, ser. 2, iii, 1886, 236. (Type, by original designation and monotypy, Porphyrio alleni Thompson.) lonocicca (emendation) Sclater and Saundees, Ibis, 1887, 358. Gallinulae with nasal fossa indistinct, the nostril relatively broad and short; tarsus much longer than outer toe without claw; toe with- out a distinct lateral membrane, except along inner side; inner toe without claw, not reaching beyond subterminal articulation of mid- dle toe; hallux without Stock Photo

RMRG70K8–. Bulletin - United States National Museum. Science. BIRDS OF NORTH AND MIDDLE AMERICA 193 Jonocicca Salvadoei, Ann. Mus. Civ. Stor. Nat. Genoa, ser. 2, iii, 1886, 236. (Type, by original designation and monotypy, Porphyrio alleni Thompson.) lonocicca (emendation) Sclater and Saundees, Ibis, 1887, 358. Gallinulae with nasal fossa indistinct, the nostril relatively broad and short; tarsus much longer than outer toe without claw; toe with- out a distinct lateral membrane, except along inner side; inner toe without claw, not reaching beyond subterminal articulation of mid- dle toe; hallux without

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. BIOLUMINESCENCE IN ASCIDIAN 61. Figure 7. The source of light emission in the tunic. Tunic cells recorded on video tape through an illuminated microscope showing cell types I. II. and III (A). Individual type II cells (B. C. D as indicated in A) emitting light recorded on video tape through a fixed unilluminated microscope with a video camera and a photomultiplier (B-D). tilium and Rcnilla (Henry and Michelson, 1978; Henry and Ninio, 1978). In this case, an asymmetrical distribu- tion of cations and anions on the membrane of Stock Photo

RMRHN2W3–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. BIOLUMINESCENCE IN ASCIDIAN 61. Figure 7. The source of light emission in the tunic. Tunic cells recorded on video tape through an illuminated microscope showing cell types I. II. and III (A). Individual type II cells (B. C. D as indicated in A) emitting light recorded on video tape through a fixed unilluminated microscope with a video camera and a photomultiplier (B-D). tilium and Rcnilla (Henry and Michelson, 1978; Henry and Ninio, 1978). In this case, an asymmetrical distribu- tion of cations and anions on the membrane of

. Catalogue of the Birds in the British Museum. 15. PSlLORHAMPHtJS. 259 15. PSILORHAMPHUS. Type. Leptorhvnchus, Menetries, Mem. Acad. St. Petersb. s4v. vi. (Sci. Naf.) t. i. p. 515 (18;J5) P. guttatus. Psilorliamphus, Scl. P. Z. S. 1855, p. 90 P. guttatus.. Bill and foot o( Psilorhcunphus ffuttafus. This Brazilian monotype is certainly a peculiar form, remarkable for its long thin biU, long, thin, and smooth tarsi, and its long and much graduated tail. It is clearly allied to Ehamj^hoccenus, and like it has the elongated nostrils partly covered by a membrane, but the beak is not nearly so long Stock Photo

RMRFB8FB–. Catalogue of the Birds in the British Museum. 15. PSlLORHAMPHtJS. 259 15. PSILORHAMPHUS. Type. Leptorhvnchus, Menetries, Mem. Acad. St. Petersb. s4v. vi. (Sci. Naf.) t. i. p. 515 (18;J5) P. guttatus. Psilorliamphus, Scl. P. Z. S. 1855, p. 90 P. guttatus.. Bill and foot o( Psilorhcunphus ffuttafus. This Brazilian monotype is certainly a peculiar form, remarkable for its long thin biU, long, thin, and smooth tarsi, and its long and much graduated tail. It is clearly allied to Ehamj^hoccenus, and like it has the elongated nostrils partly covered by a membrane, but the beak is not nearly so long

. [Collected reprints, 1912-1919. Mammals; Mammals; Birds. Feb., 1912. Mammals of Illinois and Wisconsin — Cory. 477 eral color of this Bat is pale sepia brown, or yellovdsh brown, the fur darker at the base; the belly is 1 grayish white. The tail does not extend beyond the interfemoral membrane. Total length, about 4 in. (105 mm.); tail vertebrje, about 2 in. (50 mm.); forearm, about 1.60 in. (41 mm.); ear, about 1.20 in. (30 mm.). The range of the Big-eared Bat is restricted, so far as known, to southeastern United States, the type locality being Georgia.. Big-eared Bat.. Please note that th Stock Photo

RMRDX5MJ–. [Collected reprints, 1912-1919. Mammals; Mammals; Birds. Feb., 1912. Mammals of Illinois and Wisconsin — Cory. 477 eral color of this Bat is pale sepia brown, or yellovdsh brown, the fur darker at the base; the belly is 1 grayish white. The tail does not extend beyond the interfemoral membrane. Total length, about 4 in. (105 mm.); tail vertebrje, about 2 in. (50 mm.); forearm, about 1.60 in. (41 mm.); ear, about 1.20 in. (30 mm.). The range of the Big-eared Bat is restricted, so far as known, to southeastern United States, the type locality being Georgia.. Big-eared Bat.. Please note that th

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CILIARY TYPE TISSUE IN FISH 137. FIGURE 7. Sea Horse. A weakly organized inner limiting membrane (arrow) rests on the inter- digitations and a few fibers common to the vitreous humor are above the membrane. A high concentration of filaments (F) is present within the NPL cell. A well-developed intercellular space (asterisk) is seen near the surface. Scale: 1.0 micron. Microtubules are seen occasionally in the cell surface areas, but much more predominant are clusters of small fibrils (Fig. 10). In one fish, sea horse, they oc Stock Photo

RMRHN5CH–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CILIARY TYPE TISSUE IN FISH 137. FIGURE 7. Sea Horse. A weakly organized inner limiting membrane (arrow) rests on the inter- digitations and a few fibers common to the vitreous humor are above the membrane. A high concentration of filaments (F) is present within the NPL cell. A well-developed intercellular space (asterisk) is seen near the surface. Scale: 1.0 micron. Microtubules are seen occasionally in the cell surface areas, but much more predominant are clusters of small fibrils (Fig. 10). In one fish, sea horse, they oc

. Bulletin de la Société entomologique d'Égypte. Entomology; Insects. Séancc da 24 Octobre 1923 151 uniformly coatod w'ìih )om]ct is that by MacLachlaii (Jüuni. Unii. Soc. J.oikIoh, Vol. XVI, 1882, pp. ijS- 174) of Seniidaiis pulchcUa, Avhere he says that certain spots on the wing had the powder less dense. I have been able lo examine MacLachlan's type and find that this is not correct. The win;jf is fairly evenly coaled with hilc powder, as usual, but the wing membrane. Fig. 9. — Seniiddlis pulchella McL., Type — Wings «irawn to smaller scale than other wings. Rough drawing, for markings Stock Photo

RMRGP5P6–. Bulletin de la Société entomologique d'Égypte. Entomology; Insects. Séancc da 24 Octobre 1923 151 uniformly coatod w'ìih )om]ct is that by MacLachlaii (Jüuni. Unii. Soc. J.oikIoh, Vol. XVI, 1882, pp. ijS- 174) of Seniidaiis pulchcUa, Avhere he says that certain spots on the wing had the powder less dense. I have been able lo examine MacLachlan's type and find that this is not correct. The win;jf is fairly evenly coaled with hilc powder, as usual, but the wing membrane. Fig. 9. — Seniiddlis pulchella McL., Type — Wings «irawn to smaller scale than other wings. Rough drawing, for markings

. Dreer's wholesale catalog for florists and market gardeners : 1942 winter spring summer. Bulbs (Plants) Catalogs; Vegetables Seeds Catalogs; Flowers Seeds Catalogs; Nurseries (Horticulture) Catalogs; Gardening Equipment and supplies Catalogs. Pacific Coast Type Saw. $2.25. Pacific Coast Type Saw. 90 Grass Shears Pruning Compound. An antiseptic, durable, and elastic dressing recommended for use on pruning-wounds and for cavities in trees. 1 quart 65c; 1 gallon $2.00. Trefix. Forms an ideal waterproof elastic membrane for protecting tree wounds and pruning cuts. Pint 50c; quart 90c; gallon $2. Stock Photo

RMREX8XD–. Dreer's wholesale catalog for florists and market gardeners : 1942 winter spring summer. Bulbs (Plants) Catalogs; Vegetables Seeds Catalogs; Flowers Seeds Catalogs; Nurseries (Horticulture) Catalogs; Gardening Equipment and supplies Catalogs. Pacific Coast Type Saw. $2.25. Pacific Coast Type Saw. 90 Grass Shears Pruning Compound. An antiseptic, durable, and elastic dressing recommended for use on pruning-wounds and for cavities in trees. 1 quart 65c; 1 gallon $2.00. Trefix. Forms an ideal waterproof elastic membrane for protecting tree wounds and pruning cuts. Pint 50c; quart 90c; gallon $2.

. The Biological bulletin. Biology; Zoology; Marine biology. 13. PLATE I Fig. 13. Egg with four nuclei present after the time when the second polar body normally appears; no polar bodies are present but the pole is indicated by the slight dent in the membrane. Fig. 14. First cleavage of the same egg, polar view; the three cells result from a disappearance of the cleavage plane between two cells. Fig. 15. Another egg showing four nuclei present after the time when the second polar body normally appears. Fig. 16. First cleavage of another egg of this type.. Please note that these images are extr Stock Photo

RMRHM816–. The Biological bulletin. Biology; Zoology; Marine biology. 13. PLATE I Fig. 13. Egg with four nuclei present after the time when the second polar body normally appears; no polar bodies are present but the pole is indicated by the slight dent in the membrane. Fig. 14. First cleavage of the same egg, polar view; the three cells result from a disappearance of the cleavage plane between two cells. Fig. 15. Another egg showing four nuclei present after the time when the second polar body normally appears. Fig. 16. First cleavage of another egg of this type.. Please note that these images are extr

. Review of American birds in the Museum of the Smithsonian Instution. [microform]. Birds; Oiseaux. 8ET0PHAGA. 25a BETOFHAOA, Swainsoit. Setophaga, Swains. â 0 fTC'f? Setophaga, Swainson, Zool. Jour. Ill, Dec. 1827, 360. (Type Musc'icapa ruticilla, L.)âBaird, Birds N. Am. 1858, 297. Sylvania, Nuttall, Mau. Oru. I, 1832. (Same type.) Bill lunch depressed, the lateral outlines straight towards tip. Bristles reach half way from nostril to tip. Culmen almost straight to near the tip ; commissure very slightly curved. Nostrils oval, with membrane above them. Wings rather longer than tail, pointed ; Stock Photo

RMRJ6X53–. Review of American birds in the Museum of the Smithsonian Instution. [microform]. Birds; Oiseaux. 8ET0PHAGA. 25a BETOFHAOA, Swainsoit. Setophaga, Swains. â 0 fTC'f? Setophaga, Swainson, Zool. Jour. Ill, Dec. 1827, 360. (Type Musc'icapa ruticilla, L.)âBaird, Birds N. Am. 1858, 297. Sylvania, Nuttall, Mau. Oru. I, 1832. (Same type.) Bill lunch depressed, the lateral outlines straight towards tip. Bristles reach half way from nostril to tip. Culmen almost straight to near the tip ; commissure very slightly curved. Nostrils oval, with membrane above them. Wings rather longer than tail, pointed ;

. The birds of South Africa. Birds. INDICATOEID^ INDICATOR 145 Key of the Genera. A. Tail of twelve feathers ; bill deeper than broad ... Indicator, ]^. Ii5. B, Tail of ten feathers ; bill broader than deep Prodotisous, ^. 165. Genus I. INDICATOR. Type. IndioatoP, Stephens, Gen. Zool. ix, p. 131 (1815) I. sparrmani. Bill stout and finch-like, deeper than broad, with a well-marked Gulminal ridge which is somewhat arched; nostrils lateral and exposed with a narrow superior membrane; no nasal plumes or. Fig. 48.—Tail of Indicator sparrmani. x -j^. rictal bristles; wing with nine primaries only ; Stock Photo

RMRE0XBT–. The birds of South Africa. Birds. INDICATOEID^ INDICATOR 145 Key of the Genera. A. Tail of twelve feathers ; bill deeper than broad ... Indicator, ]^. Ii5. B, Tail of ten feathers ; bill broader than deep Prodotisous, ^. 165. Genus I. INDICATOR. Type. IndioatoP, Stephens, Gen. Zool. ix, p. 131 (1815) I. sparrmani. Bill stout and finch-like, deeper than broad, with a well-marked Gulminal ridge which is somewhat arched; nostrils lateral and exposed with a narrow superior membrane; no nasal plumes or. Fig. 48.—Tail of Indicator sparrmani. x -j^. rictal bristles; wing with nine primaries only ;

. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 1 mm M.frater longicaudatus. M.bucharensis Fig. 5. Bacula of the examined forms, based on Strelkov 1989 (M bucharensis, M. frater longicaudatus, M. f. eniseensis ssp. nov.), Yoshiyuki 1989 (M frater kaguyae), and the authors' new data (M frater frater, the type specimen). In the subspecies of M. frater (excluding M. f. eniseensis) and in M bucharensis, the interfemoral membrane has single hairs on the inside, and these hairs form small bunches only at the tail base. Stock Photo

RMRHDYMY–. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 1 mm M.frater longicaudatus. M.bucharensis Fig. 5. Bacula of the examined forms, based on Strelkov 1989 (M bucharensis, M. frater longicaudatus, M. f. eniseensis ssp. nov.), Yoshiyuki 1989 (M frater kaguyae), and the authors' new data (M frater frater, the type specimen). In the subspecies of M. frater (excluding M. f. eniseensis) and in M bucharensis, the interfemoral membrane has single hairs on the inside, and these hairs form small bunches only at the tail base.

RMRF22G7–. Catalogue of the Birds in the British Museum. 15. PSlLORHAMPHtJS. 259 15. PSILORHAMPHUS. Type. Leptorhvnchus, Menetries, Mem. Acad. St. Petersb. s4v. vi. (Sci. Naf.) t. i. p. 515 (18;J5) P. guttatus. Psilorliamphus, Scl. P. Z. S. 1855, p. 90 P. guttatus.. Bill and foot o( Psilorhcunphus ffuttafus. This Brazilian monotype is certainly a peculiar form, remarkable for its long thin biU, long, thin, and smooth tarsi, and its long and much graduated tail. It is clearly allied to Ehamj^hoccenus, and like it has the elongated nostrils partly covered by a membrane, but the beak is not nearly so long

RMRJ6X4W–. Review of American birds in the Museum of the Smithsonian Instution. [microform]. Birds; Oiseaux. 8ET0PHAGA. 25a BETOFHAOA, Swainsoit. Setophaga, Swains. â 0 fTC'f? Setophaga, Swainson, Zool. Jour. Ill, Dec. 1827, 360. (Type Musc'icapa ruticilla, L.)âBaird, Birds N. Am. 1858, 297. Sylvania, Nuttall, Mau. Oru. I, 1832. (Same type.) Bill lunch depressed, the lateral outlines straight towards tip. Bristles reach half way from nostril to tip. Culmen almost straight to near the tip ; commissure very slightly curved. Nostrils oval, with membrane above them. Wings rather longer than tail, pointed ;

. Biology. Biology. PROTOPLASMIC MOVEMENTS 21 continually swept up and down in the ever moving mass (Fig. 9)- 111 £*•.*:;••.«,:>. n FIG. 9.—A, Two cells and a part of a third from a stonewort (Nitella) showing rotation in the direction of the arrows, m, Membrane of the cell; n, nucleus. B and C, cells from the stamen hairs of the spiderwort (Tradescantia) showing circulation of protoplasm as indicated by the arrows. (From Sedgwick and Wilson.) Another type of flowing movement may be seen in the stamen hairs of the spiderwort (Tradescantia) which consist of single rows of cells. Not only is Stock Photo

RMRHKAWD–. Biology. Biology. PROTOPLASMIC MOVEMENTS 21 continually swept up and down in the ever moving mass (Fig. 9)- 111 £*•.*:;••.«,:>. n FIG. 9.—A, Two cells and a part of a third from a stonewort (Nitella) showing rotation in the direction of the arrows, m, Membrane of the cell; n, nucleus. B and C, cells from the stamen hairs of the spiderwort (Tradescantia) showing circulation of protoplasm as indicated by the arrows. (From Sedgwick and Wilson.) Another type of flowing movement may be seen in the stamen hairs of the spiderwort (Tradescantia) which consist of single rows of cells. Not only is

. Review of American birds in the Museum of the Smithsonian Instution. [microform]. Birds; Oiseaux. -^ " ,!' Â«â. 2S6 'Â»> I'. - REVIEW OF AMERIC .N BIRDS. [PAUT I. Sides of neck and nape brown, like (lie Imok, or the former only slightly hoary. No djstiuot spots along the miuMle I' of epigastrium . , . â¢ . . taptra,* PETROCHELIDON, Cabanis. iiiif? ;! â Â»^i>H> ' Petrorheluhn, Cab. Mas. Hein. 1860-1,47. (Type Uirundo melanogoiier, Swains. ^ P. swatnsoni, ScL.) Bill Btont and deep, somewhat as in Progne. Nostrils entirely superior, open, without overhanging membrane on the inner Stock Photo

RMRJ6WRK–. Review of American birds in the Museum of the Smithsonian Instution. [microform]. Birds; Oiseaux. -^ " ,!' Â«â. 2S6 'Â»> I'. - REVIEW OF AMERIC .N BIRDS. [PAUT I. Sides of neck and nape brown, like (lie Imok, or the former only slightly hoary. No djstiuot spots along the miuMle I' of epigastrium . , . â¢ . . taptra,* PETROCHELIDON, Cabanis. iiiif? ;! â Â»^i>H> ' Petrorheluhn, Cab. Mas. Hein. 1860-1,47. (Type Uirundo melanogoiier, Swains. ^ P. swatnsoni, ScL.) Bill Btont and deep, somewhat as in Progne. Nostrils entirely superior, open, without overhanging membrane on the inner

. Bulletin. Natural history; Natural history. 48 Illinois Natural History Survey Bulletin Vol. 33, Art. 1 Chrysops luteopennis Philip Chrysops luteopennis Philip (1936c: 159). Type-locality: Minnesota, Anoka County, Moore's Lake. Moderate size (8 mm); dull yellow and black; frontoclypeus yellow, some specimens with small triangle of pol- len below antennae; frontal callus yellow, darkened above (in one specimen cal- lus wholly dark brown); black median stripes of abdomen joined on second tergite, sublateral stripes do not reach anterior margin of second tergite; wing membrane lightly tinted, p Stock Photo

RMRGWCF3–. Bulletin. Natural history; Natural history. 48 Illinois Natural History Survey Bulletin Vol. 33, Art. 1 Chrysops luteopennis Philip Chrysops luteopennis Philip (1936c: 159). Type-locality: Minnesota, Anoka County, Moore's Lake. Moderate size (8 mm); dull yellow and black; frontoclypeus yellow, some specimens with small triangle of pol- len below antennae; frontal callus yellow, darkened above (in one specimen cal- lus wholly dark brown); black median stripes of abdomen joined on second tergite, sublateral stripes do not reach anterior margin of second tergite; wing membrane lightly tinted, p

. Bulletin. Natural history; Natuurlijke historie. B. IOm Text-fig. 7. Special cell types present in Axocielita hartmani. A. Toxoblast containing a toxa. Note the irregularity of the cell membrane. B. Cell type S containing basophilic (black) and Mallory-positive (white) inclusions. C. Cell type G-S containing basophilic (black) granules and Mallory-positive (white) inclusions. A final special cell type designated as type G-S [containing granules (G) and spherical (S) inclusions] is not present in Thalysias although this cell type is simi- lar to globoferous cell type I in Thalysias (see p. 53 Stock Photo

RMRH1P8R–. Bulletin. Natural history; Natuurlijke historie. B. IOm Text-fig. 7. Special cell types present in Axocielita hartmani. A. Toxoblast containing a toxa. Note the irregularity of the cell membrane. B. Cell type S containing basophilic (black) and Mallory-positive (white) inclusions. C. Cell type G-S containing basophilic (black) granules and Mallory-positive (white) inclusions. A final special cell type designated as type G-S [containing granules (G) and spherical (S) inclusions] is not present in Thalysias although this cell type is simi- lar to globoferous cell type I in Thalysias (see p. 53

. The mechanistic conception of life; biological essays. Life; Biology. Fig. 51 Fig. 52 Fig. 53 Fig. 54 Figs. 51-54.—Cell-division in a sear-tLrchin egg, Strongylocentrotus purpura- tus, in normal sea-water. This type of cell-division leads to the formation of one embryo from an egg. M is the fertilization membrane, P a layer of colloidal substance which seems to serve the purpose of keeping all the cells of an egg together. the first two cells and the formation of identical twins are provided.. Fig. 55 Fig. 56 Fig. 57 Fig. 58 Figs. 55-58.—Cell-division in the egg of Strongylocentrotus purpura Stock Photo

RMRE0GG0–. The mechanistic conception of life; biological essays. Life; Biology. Fig. 51 Fig. 52 Fig. 53 Fig. 54 Figs. 51-54.—Cell-division in a sear-tLrchin egg, Strongylocentrotus purpura- tus, in normal sea-water. This type of cell-division leads to the formation of one embryo from an egg. M is the fertilization membrane, P a layer of colloidal substance which seems to serve the purpose of keeping all the cells of an egg together. the first two cells and the formation of identical twins are provided.. Fig. 55 Fig. 56 Fig. 57 Fig. 58 Figs. 55-58.—Cell-division in the egg of Strongylocentrotus purpura

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 538 DANIEL L. ALKON TABLE I Comparison (Mann-Whitney U test) of membrane characteristics for Type B cells (cut nerve) Paired vs. Random Characteristic (U) (P) Input resistance 10 0.025 Membrane potential 5 0.024 Hyperpolarizing phase of light response 5 0.024 Long-lasting depolarization 7 0.053 and terminal branches had been removed by a razor cut (Table I). After such a cut the Type B cell is electrically isolated from all other cells in the Hermissenda nervous system (Fig. 35 ; Alkon, 1979). This is so because the photorec Stock Photo

RMRHN33C–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 538 DANIEL L. ALKON TABLE I Comparison (Mann-Whitney U test) of membrane characteristics for Type B cells (cut nerve) Paired vs. Random Characteristic (U) (P) Input resistance 10 0.025 Membrane potential 5 0.024 Hyperpolarizing phase of light response 5 0.024 Long-lasting depolarization 7 0.053 and terminal branches had been removed by a razor cut (Table I). After such a cut the Type B cell is electrically isolated from all other cells in the Hermissenda nervous system (Fig. 35 ; Alkon, 1979). This is so because the photorec

. The birds of South Africa. Birds -- South Africa. INDICATOEIDiE INDICATOR 145 Key of tlie Genera. A. Tail of twelve feathers ; bill deeper than broad ... Indicator, p. 145. B. Tail of ten feathers ; bill broader than deep Prodotiscus, ]i, lo5. Genus I. INDICATOR. Type. Indicator, Stephens, Gen. Zool. ix, p. 131 (1815) I. sparrmani. Bill stout and finch-like, deeper than broad, with a well-marked culminal ridge which is somewhat arched; nostrils lateral and exposed with a narrow superior membrane ; no nasal plumes or. Fig.-Lb. —i,.^,i <ji Iiulicatof span-inaiii. x Yb. rictal bristles ; win Stock Photo

RMRHJC17–. The birds of South Africa. Birds -- South Africa. INDICATOEIDiE INDICATOR 145 Key of tlie Genera. A. Tail of twelve feathers ; bill deeper than broad ... Indicator, p. 145. B. Tail of ten feathers ; bill broader than deep Prodotiscus, ]i, lo5. Genus I. INDICATOR. Type. Indicator, Stephens, Gen. Zool. ix, p. 131 (1815) I. sparrmani. Bill stout and finch-like, deeper than broad, with a well-marked culminal ridge which is somewhat arched; nostrils lateral and exposed with a narrow superior membrane ; no nasal plumes or. Fig.-Lb. —i,.^,i <ji Iiulicatof span-inaiii. x Yb. rictal bristles ; win

. Bulletin - United States National Museum. Science. 54 U. S. NATIONAL MUSEUM BULLETIN 209 suffusion caused by orange hairs against the blackish wing membrane. The paratype has more orange on the wings than the type. Type: 9, Theodore, Ala., June 12, 1917 (Ithaca). Paratype: 9, on flowers of Cicuta maculata, Osage County, Kans., Aug. 5, 1950, H. E. Evans (Evans). 2b. Priocnemioides austriniis austrinus (Banks) Plate 1, figuke 5 Cryptocheilus austrinus Banks, 1917, Bull. Mus. Comp. Zool., vol. 61, p. 102, 9- Type: 9 , Texas (Cambridge). Wings orange, infuscate apically and at the base. Specimen Stock Photo

RMRG7HGG–. Bulletin - United States National Museum. Science. 54 U. S. NATIONAL MUSEUM BULLETIN 209 suffusion caused by orange hairs against the blackish wing membrane. The paratype has more orange on the wings than the type. Type: 9, Theodore, Ala., June 12, 1917 (Ithaca). Paratype: 9, on flowers of Cicuta maculata, Osage County, Kans., Aug. 5, 1950, H. E. Evans (Evans). 2b. Priocnemioides austriniis austrinus (Banks) Plate 1, figuke 5 Cryptocheilus austrinus Banks, 1917, Bull. Mus. Comp. Zool., vol. 61, p. 102, 9- Type: 9 , Texas (Cambridge). Wings orange, infuscate apically and at the base. Specimen

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CURRENT (nA) 0-5 IPSP REVERSAL L-80 MEMBRANE POTENTIAL (mV) V50 06 0.8 1.0 CURRENT (nA). IPSP REVERSAL FIGURE 19. Photoreceptor current-voltage relations before and after perfusion with car- bachol. I-V curves of Type A (A) and Type B (B) photoreceptors were plotted in control seawater (filled circles) and in presence of 104 M carbachol (open squares) for at least 10 min. The intersection of these two curves indicates the reversal potential of the drug-induced hyperpolarization. Recovery from the carbachol effect was seen 1 Stock Photo

RMRHKR7K–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CURRENT (nA) 0-5 IPSP REVERSAL L-80 MEMBRANE POTENTIAL (mV) V50 06 0.8 1.0 CURRENT (nA). IPSP REVERSAL FIGURE 19. Photoreceptor current-voltage relations before and after perfusion with car- bachol. I-V curves of Type A (A) and Type B (B) photoreceptors were plotted in control seawater (filled circles) and in presence of 104 M carbachol (open squares) for at least 10 min. The intersection of these two curves indicates the reversal potential of the drug-induced hyperpolarization. Recovery from the carbachol effect was seen 1

. Catalogue of the Lepidoptera Phalaenae in the British Museum. Moths; Lepidoptera. BOEBOXAXA. TELESILLA. 58: ^vith rufous, a small rufous discoidal spot and minutely crenulate postmedial line slightly bent outwards below costa. Hah. Br. New Guinea, Ekeikei (Pratt), type f d" in Coll. Bethune-Baker. Exjj. 26 millira. B. Fore wing with veins 8, 9 curved clownwards and with groove of ribbed membrane above them, 10 from ceil and curved upwards. *3456. Borbotana dinava. Borhotana dinawa, Beth.-Baker, Nov. Zool. siii. p. 208 (1906). S. Head and thorax very dark purplish brown ; tegulse tipped Stock Photo

RMRF8MEX–. Catalogue of the Lepidoptera Phalaenae in the British Museum. Moths; Lepidoptera. BOEBOXAXA. TELESILLA. 58: ^vith rufous, a small rufous discoidal spot and minutely crenulate postmedial line slightly bent outwards below costa. Hah. Br. New Guinea, Ekeikei (Pratt), type f d" in Coll. Bethune-Baker. Exjj. 26 millira. B. Fore wing with veins 8, 9 curved clownwards and with groove of ribbed membrane above them, 10 from ceil and curved upwards. *3456. Borbotana dinava. Borhotana dinawa, Beth.-Baker, Nov. Zool. siii. p. 208 (1906). S. Head and thorax very dark purplish brown ; tegulse tipped

RMRF117X–. Catalogue of the Lepidoptera Phalaenae in the British Museum. Moths; Lepidoptera. BOEBOXAXA. TELESILLA. 58: ^vith rufous, a small rufous discoidal spot and minutely crenulate postmedial line slightly bent outwards below costa. Hah. Br. New Guinea, Ekeikei (Pratt), type f d" in Coll. Bethune-Baker. Exjj. 26 millira. B. Fore wing with veins 8, 9 curved clownwards and with groove of ribbed membrane above them, 10 from ceil and curved upwards. *3456. Borbotana dinava. Borhotana dinawa, Beth.-Baker, Nov. Zool. siii. p. 208 (1906). S. Head and thorax very dark purplish brown ; tegulse tipped

. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. f v.. Flo. 110. Pholia gilli Evermann & Goldsborough, new species. Type. broad frenum; nostrils close behind upper lip, posterior in a small tube; a row of conspicuous tubes below eye running backward and upward posteriorly; gill-opening free from isthmus, forming a broad fold, not continued forward; eve small, anterior, high. Origin of dorsal above base of pectoral, its anterior spines concealed in membrane, short, gradually lengthening posteriorly, the spines not concealed, the lon Stock Photo

RMRGARB3–. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. f v.. Flo. 110. Pholia gilli Evermann & Goldsborough, new species. Type. broad frenum; nostrils close behind upper lip, posterior in a small tube; a row of conspicuous tubes below eye running backward and upward posteriorly; gill-opening free from isthmus, forming a broad fold, not continued forward; eve small, anterior, high. Origin of dorsal above base of pectoral, its anterior spines concealed in membrane, short, gradually lengthening posteriorly, the spines not concealed, the lon

. Bulletin - United States National Museum. Science. 380 A MANUAL OF AMERICAN LAND SHELLS. whorl. The internal revolving lamina easily distinguishes the species. Fig. 413 represents a specimen broken so as to show the internal lamina. Jaw as usual; 14 ribs. There are 22-1-22 teeth, with 9 laterals, on the lingual membrane, the inner cutting point of the tenth tooth being bifid. Marginals with base of attachment low, wide, with one inner, long, oblique, bifid cut- ting point and one short, bluntly bifid, small, outer cutting point (Terr. Moll., V, Plate VI. Fig. K), all of same type as in septe Stock Photo

RMRG87XY–. Bulletin - United States National Museum. Science. 380 A MANUAL OF AMERICAN LAND SHELLS. whorl. The internal revolving lamina easily distinguishes the species. Fig. 413 represents a specimen broken so as to show the internal lamina. Jaw as usual; 14 ribs. There are 22-1-22 teeth, with 9 laterals, on the lingual membrane, the inner cutting point of the tenth tooth being bifid. Marginals with base of attachment low, wide, with one inner, long, oblique, bifid cut- ting point and one short, bluntly bifid, small, outer cutting point (Terr. Moll., V, Plate VI. Fig. K), all of same type as in septe

. The anatomical record. Anatomy; Anatomy. 7 8 9 10 Fig. 7 Diagram of a common condition in mammalian and avian heart fibers. A variable number of discs may be associated to produce step forms. The ?on- necting membrane, 'riser,' may possibly be a modified portion of a fibrilla. Fig. 8 A fairly common type of disc in normal mammalian heart muscle fibers; derived from the simpler type b.y elongation of the structural units (rodlets). This and the succeeding type are not generally found in birds. Fig. 9 Rare type of disc of normal mammalian heart fiber; derived from types 7 and 8. bj' process of Stock Photo

RMRNAEY0–. The anatomical record. Anatomy; Anatomy. 7 8 9 10 Fig. 7 Diagram of a common condition in mammalian and avian heart fibers. A variable number of discs may be associated to produce step forms. The ?on- necting membrane, 'riser,' may possibly be a modified portion of a fibrilla. Fig. 8 A fairly common type of disc in normal mammalian heart muscle fibers; derived from the simpler type b.y elongation of the structural units (rodlets). This and the succeeding type are not generally found in birds. Fig. 9 Rare type of disc of normal mammalian heart fiber; derived from types 7 and 8. bj' process of

. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. 50 BULLETIN OF THE. BUREAU OF FISHERIES. Triglops metopias, new species. (Fig. 8.) Type 144 mm. long, from station 4777, Petrel Bank, Bering Sea; depth 52 fathoms. Length of head 27 hundredths of total length to base of caudal; depth of body 16.5; diameter of eye 8; length of snout 7.6; interorbital width 4.2; length of maxillary 11.8; width of head 12; distance from tip of snout to edge of branchiostcgal membrane 17.9; distance from tip of snout to front of dorsal 26.5; from front of sp Stock Photo

RMRGDCGN–. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. 50 BULLETIN OF THE. BUREAU OF FISHERIES. Triglops metopias, new species. (Fig. 8.) Type 144 mm. long, from station 4777, Petrel Bank, Bering Sea; depth 52 fathoms. Length of head 27 hundredths of total length to base of caudal; depth of body 16.5; diameter of eye 8; length of snout 7.6; interorbital width 4.2; length of maxillary 11.8; width of head 12; distance from tip of snout to edge of branchiostcgal membrane 17.9; distance from tip of snout to front of dorsal 26.5; from front of sp

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 8 LEONARD P. SAYLES the buds were as follows: A, 12.3 mm.; B, 9.3 mm.; C, 7.1 mm.; D, 6.4 mm. In all individuals regenerating in tap-water the tail bud is complete with well-formed swimming membrane. Tadpoles regenerating in 0.5 Ringer usually produce complete tails of the ordinary type. In some cases, however, the musculo-skeletal axis is complete but the caudal membrane is much reduced or even absent in part of the bud. A re- generate of this type is shown in Fig. 1. In straight frog Ringer about two-thirds of the short bu Stock Photo

RMRHP6XB–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 8 LEONARD P. SAYLES the buds were as follows: A, 12.3 mm.; B, 9.3 mm.; C, 7.1 mm.; D, 6.4 mm. In all individuals regenerating in tap-water the tail bud is complete with well-formed swimming membrane. Tadpoles regenerating in 0.5 Ringer usually produce complete tails of the ordinary type. In some cases, however, the musculo-skeletal axis is complete but the caudal membrane is much reduced or even absent in part of the bud. A re- generate of this type is shown in Fig. 1. In straight frog Ringer about two-thirds of the short bu

. Biophysical research methods. Biophysics -- Research. 322 EARLE C. GREGG, JR. Figure 8 shows a hand unit designed by Pohlmann (30) for therapeu- tic purposes. The membrane is pressed against the flesh of the sub- ject. As mentioned previously, the type of clamping and acoustic load determine to a great extent the amplitude of vibration of either a Matching Transformer Membrane Crystal. |i;s Metallic &; backing plate Fig. 8. Hand ultrasonic unit designed for therapeutic purposes. 60 < ?40 ijj Q Q- 20 UJ oc Light i Medium / l "--..^jHeavy ^ vS -4% Fig. 9. â 2% 0 2% 4 Stock Photo

RMRHK1MT–. Biophysical research methods. Biophysics -- Research. 322 EARLE C. GREGG, JR. Figure 8 shows a hand unit designed by Pohlmann (30) for therapeu- tic purposes. The membrane is pressed against the flesh of the sub- ject. As mentioned previously, the type of clamping and acoustic load determine to a great extent the amplitude of vibration of either a Matching Transformer Membrane Crystal. |i;s Metallic &; backing plate Fig. 8. Hand ultrasonic unit designed for therapeutic purposes. 60 < ?40 ijj Q Q- 20 UJ oc Light i Medium / l "--..^jHeavy ^ vS -4% Fig. 9. â 2% 0 2% 4

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. MATING AND CILIARY INACTIVATION 159. FIGURE 1. Tracks of swimming behavior of P. caudatum before and after the addition of the LIS- MV. The photographs were taken under dark-field illumination with two seconds exposure at 21°C. A, C; swimming tracks of cells before addition of the LIS-MV. B, D; swimming tracks of cells 10 min after addition of 40 Mg/ml LIS-MV from stock Yt3-G9 (mating type VI). A, B; the opposite mating type cells, stock Kyky 1 (V). C, D; the same mating type cells, stock d-8b as the membrane vesicles added. Stock Photo

RMRHN22T–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. MATING AND CILIARY INACTIVATION 159. FIGURE 1. Tracks of swimming behavior of P. caudatum before and after the addition of the LIS- MV. The photographs were taken under dark-field illumination with two seconds exposure at 21°C. A, C; swimming tracks of cells before addition of the LIS-MV. B, D; swimming tracks of cells 10 min after addition of 40 Mg/ml LIS-MV from stock Yt3-G9 (mating type VI). A, B; the opposite mating type cells, stock Kyky 1 (V). C, D; the same mating type cells, stock d-8b as the membrane vesicles added.

. Comptes rendus des sÃ©ances de la SociÃ©tÃ© de biologie et de ses filiales. Biology. SÃANCE DU 30 DÃCIÂ£MBRE 191 moins frÃ©quemment, dans les dix-sept cas de syphilis examinÃ©s jusqu'Ã prÃ©seut.. S. Ã©. Le type A. â C'est la forme bacillaire Ã pseudo-ramificalion^ dÃ©jÃ dÃ©crite dans notre communication antÃ©rieure (Fig. 1). La membrane. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. SociÃ©tÃ© de biologie, Paris; SociÃ©t Stock Photo

RMRED6G5–. Comptes rendus des sÃ©ances de la SociÃ©tÃ© de biologie et de ses filiales. Biology. SÃANCE DU 30 DÃCIÂ£MBRE 191 moins frÃ©quemment, dans les dix-sept cas de syphilis examinÃ©s jusqu'Ã prÃ©seut.. S. Ã©. Le type A. â C'est la forme bacillaire Ã pseudo-ramificalion^ dÃ©jÃ dÃ©crite dans notre communication antÃ©rieure (Fig. 1). La membrane. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. SociÃ©tÃ© de biologie, Paris; SociÃ©t

. Beitrge zur Kryptogamenflora der Schweiz. 108 J'ai considere ces Palmellacees comme le type primitif de la serie des algues vertes, En effet, il reunit en lui et en puissance tous les caracteres qui, par leur predominance, deviendront les traits distinctifs des series les plus diverses. D'autre part, la plupart des algues vertes passeilt, a certains moments de leur existence et selon les conditions, par des phases palmelloides.. Fig. 50. — Sphaerocystis Schroeteri. — G. Etat Schisochlamys. — C. Cellules en partie enky8tees, en partie gelifiees, au centre la membrane dechiree d'un ancien kyst Stock Photo

RMRHY9P4–. Beitrge zur Kryptogamenflora der Schweiz. 108 J'ai considere ces Palmellacees comme le type primitif de la serie des algues vertes, En effet, il reunit en lui et en puissance tous les caracteres qui, par leur predominance, deviendront les traits distinctifs des series les plus diverses. D'autre part, la plupart des algues vertes passeilt, a certains moments de leur existence et selon les conditions, par des phases palmelloides.. Fig. 50. — Sphaerocystis Schroeteri. — G. Etat Schisochlamys. — C. Cellules en partie enky8tees, en partie gelifiees, au centre la membrane dechiree d'un ancien kyst

. Annales de la Station limnologique de Besse. Natural history; Natural history. 57- Eu. verr«cosum Ehz. — Long. 94. Larg. 72-74. Tourbière de Barbecot. Auverg-ne (Gomont). Paris, Normandie, Vosges, Belfort, Toulouse, Py- rénées. 58. ** Var. levisinuattim : Sinus beaucoup moins profonds que dans le type même taille (fig. 13). Tourbière de Barbecot. irg. 14. 5g. Eu. anomaltjm Gay. —Long Cévennes ((/ray). IL Lobe apical incisé. B. .Membrane lisse ou finement ponctuée. 60. Eu. amptjllaceom Ralfs.— ^ Long. 88-100. Larg. 50-75. ? ? Cévennes (Gay . Normandie, Vosges. 61. Eu. insigne Hass. — Long. lo Stock Photo

RMRN0CAT–. Annales de la Station limnologique de Besse. Natural history; Natural history. 57- Eu. verr«cosum Ehz. — Long. 94. Larg. 72-74. Tourbière de Barbecot. Auverg-ne (Gomont). Paris, Normandie, Vosges, Belfort, Toulouse, Py- rénées. 58. ** Var. levisinuattim : Sinus beaucoup moins profonds que dans le type même taille (fig. 13). Tourbière de Barbecot. irg. 14. 5g. Eu. anomaltjm Gay. —Long Cévennes ((/ray). IL Lobe apical incisé. B. .Membrane lisse ou finement ponctuée. 60. Eu. amptjllaceom Ralfs.— ^ Long. 88-100. Larg. 50-75. ? ? Cévennes (Gay . Normandie, Vosges. 61. Eu. insigne Hass. — Long. lo

. Beitrge zur Kryptogamenflora der Schweiz. . Fig. 126. Cnicigenia rectangularis (A. Br.) Chod. — Subcenobes diveisement constitues; 4, subcenobe quadri-cellulaire dont on voit distinctement les pyrenoiJes des cel- lules non divisees, tandis que celles qui se preparent a la division l'ont dissout; 5, subcenobe dont les cellules divergent et sont encore accompagnees de debris de la membrane de la cellule mere; 6, cenobe 4-cellulaire dont deux ceUules se sont divisees (famille); 7, type; 8, deux cenobes, munis de debris de la membrane de la cellule mere; 9, cenobe 82-cellulaire. (Hofmansgave). C Stock Photo

RMRHXC0E–. Beitrge zur Kryptogamenflora der Schweiz. . Fig. 126. Cnicigenia rectangularis (A. Br.) Chod. — Subcenobes diveisement constitues; 4, subcenobe quadri-cellulaire dont on voit distinctement les pyrenoiJes des cel- lules non divisees, tandis que celles qui se preparent a la division l'ont dissout; 5, subcenobe dont les cellules divergent et sont encore accompagnees de debris de la membrane de la cellule mere; 6, cenobe 4-cellulaire dont deux ceUules se sont divisees (famille); 7, type; 8, deux cenobes, munis de debris de la membrane de la cellule mere; 9, cenobe 82-cellulaire. (Hofmansgave). C

. Beitrge zur Kryptogamenflora der Schweiz. 159 II a donc suffi d'un changement leger dans les conditions de culture pour inciter une algue se multipliant normalement par bipartition du contenu a produire un sporange type tel qu'on le rencontre chez beau- coup de Palmellacees ou de Protococcacees. II y a souvent un simple rajeunissement, c'est-ä-dire le contenu protoplasmique s'entoure d'une nouvelle membrane et l'ancienne est rejetee. Cette algue peut donc etre, selon les circonstances, mono, diplo ou polysporee.. Please note that these images are extracted from scanned page images that may h Stock Photo

RMRHY8XM–. Beitrge zur Kryptogamenflora der Schweiz. 159 II a donc suffi d'un changement leger dans les conditions de culture pour inciter une algue se multipliant normalement par bipartition du contenu a produire un sporange type tel qu'on le rencontre chez beau- coup de Palmellacees ou de Protococcacees. II y a souvent un simple rajeunissement, c'est-ä-dire le contenu protoplasmique s'entoure d'une nouvelle membrane et l'ancienne est rejetee. Cette algue peut donc etre, selon les circonstances, mono, diplo ou polysporee.. Please note that these images are extracted from scanned page images that may h

. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. 1 2 Bergamoniscus boesii (Brian) $ Fig. i. Pléopode I. - Fig. 2. Pléopode II. Second pléopode male : endopodite biarticulé, T article distal se terminant par une pointe efiilée, doublée d' une étroite membrane hyaline. Type: boesii Brian 1926. > CHOROLOGIE On ne saurait formuler, en raison de ['unique station de l'espèce et du genre, de considerations, meme approchées, sur l'origine de cette forme. Tout ce que Y on peut dire, e' est qu' elle représente vraisem-. Please note that these images are extracted from scan Stock Photo

RMRMRR04–. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. 1 2 Bergamoniscus boesii (Brian) $ Fig. i. Pléopode I. - Fig. 2. Pléopode II. Second pléopode male : endopodite biarticulé, T article distal se terminant par une pointe efiilée, doublée d' une étroite membrane hyaline. Type: boesii Brian 1926. > CHOROLOGIE On ne saurait formuler, en raison de ['unique station de l'espèce et du genre, de considerations, meme approchées, sur l'origine de cette forme. Tout ce que Y on peut dire, e' est qu' elle représente vraisem-. Please note that these images are extracted from scan

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SODIUM CHANNELS IN SQUID MUSCLE FIBERS 339. Na 13 [nS/pF] 6 o 00 5 D 4 O 3 o 9 - * 0 r XX«OD o 0 2 4 6 8 fiber diameter [| 10 Figure 3. Correlation of Na channel expression and muscle fiber type. All data were derived as in Fig. 2. (A-C) Video prints of three different muscle cells taken shortly after achieving the whole-cell con- figuration and records of membrane current at 0 mV attained after contraclure (inset in Fig. 3C). Currents in Fig. 3A are shown with and without a prepulse to inactivate /Na. /Na was not detectable Stock Photo

RMRHMA4R–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SODIUM CHANNELS IN SQUID MUSCLE FIBERS 339. Na 13 [nS/pF] 6 o 00 5 D 4 O 3 o 9 - * 0 r XX«OD o 0 2 4 6 8 fiber diameter [| 10 Figure 3. Correlation of Na channel expression and muscle fiber type. All data were derived as in Fig. 2. (A-C) Video prints of three different muscle cells taken shortly after achieving the whole-cell con- figuration and records of membrane current at 0 mV attained after contraclure (inset in Fig. 3C). Currents in Fig. 3A are shown with and without a prepulse to inactivate /Na. /Na was not detectable

. Bulletin de la SociÃ©tÃ© zoologique de France. Zoology. STRUCTURE MICROSCOPIQUE DES PLUMES 285 Ã un pied de table tournÃ© : certaines plumes Ã reflets mÃ©talliques d'un bleu vert du Paon offrent cette disposition. 4Â° Enfin, le quatriÃ¨me type nous est fourni parles plumes des oiseaux mouches. Ici en particulier, les vexillums primitifs se font remarquer par une ressemblance et une symÃ©trie parfaite. En effet, les barbules sont partout composÃ©es d'une cÃ´te renflÃ©e Ã sa partie infÃ©rieure et conti- nuÃ©e par un appendice filiforme as- sez long, Ã laquelle est fixÃ©e une membrane assez dÃ© Stock Photo

RMRGN2PH–. Bulletin de la SociÃ©tÃ© zoologique de France. Zoology. STRUCTURE MICROSCOPIQUE DES PLUMES 285 Ã un pied de table tournÃ© : certaines plumes Ã reflets mÃ©talliques d'un bleu vert du Paon offrent cette disposition. 4Â° Enfin, le quatriÃ¨me type nous est fourni parles plumes des oiseaux mouches. Ici en particulier, les vexillums primitifs se font remarquer par une ressemblance et une symÃ©trie parfaite. En effet, les barbules sont partout composÃ©es d'une cÃ´te renflÃ©e Ã sa partie infÃ©rieure et conti- nuÃ©e par un appendice filiforme as- sez long, Ã laquelle est fixÃ©e une membrane assez dÃ©

. Annales des sciences naturelles. Plants; Biology. 202 H. CHERMEZON une membrane externe mince; les stomates, non enfoncés, sont plus nombreux à la face inférieure. La structure du mésophylle reste bifaciale ; les cellules palis- sadiques forment 3-4 assises et sont seulement un peu plus grosses et un peu plus larges que dans le type, de même que celles du tissu lacuneux qui sont plus ''serrées et plus arrondies; le nombre d'assises reste le même. Centaurea sphserocephala L. Plante iace des sables maritimes et aussi des lieux arides de Fintérieur. La feuille (tig. 26). assez mince, est reco Stock Photo

RMRMW8JT–. Annales des sciences naturelles. Plants; Biology. 202 H. CHERMEZON une membrane externe mince; les stomates, non enfoncés, sont plus nombreux à la face inférieure. La structure du mésophylle reste bifaciale ; les cellules palis- sadiques forment 3-4 assises et sont seulement un peu plus grosses et un peu plus larges que dans le type, de même que celles du tissu lacuneux qui sont plus ''serrées et plus arrondies; le nombre d'assises reste le même. Centaurea sphserocephala L. Plante iace des sables maritimes et aussi des lieux arides de Fintérieur. La feuille (tig. 26). assez mince, est reco

. Annales des sciences naturelles. Plants; Biology. RECHERCHES ANATOMIQUES SUR LES PLANTES LITTORALES 151 peu bombées, il membrane externe peu épaissie et peu cutinisée ; les stomates, situés sur les deux faces, ne sont pas enfoncés. Les poils glanduleux sont extrêmement nombreux et appartiennent à un type répandu cbez les Caryopbyllées; ils sont remarquables i)ar leur taille (à peu près la moitié de l'épaisseur de la feuille) et par la grosseur de leurs cellules : la base est por- tée par une légère émer- gence du limbe, formée de quelques cellules épi- dermiques très grosses; le poil lui-mêm Stock Photo

RMRMW8YR–. Annales des sciences naturelles. Plants; Biology. RECHERCHES ANATOMIQUES SUR LES PLANTES LITTORALES 151 peu bombées, il membrane externe peu épaissie et peu cutinisée ; les stomates, situés sur les deux faces, ne sont pas enfoncés. Les poils glanduleux sont extrêmement nombreux et appartiennent à un type répandu cbez les Caryopbyllées; ils sont remarquables i)ar leur taille (à peu près la moitié de l'épaisseur de la feuille) et par la grosseur de leurs cellules : la base est por- tée par une légère émer- gence du limbe, formée de quelques cellules épi- dermiques très grosses; le poil lui-mêm

. Annales des sciences naturelles. Plants; Biology. 230 H. CHERMEZON Dans le scape, les cellules épidermiqiies ont une membrane externe et une cuticule très épaisses; les cellules palissadiques sont courtes, ce qui est en rapport avec le grand développement des feuilles. Les scapes sont gros et remarquables par la très grande épaisseur du sclérencliyme qui englobe plusieurs cercles de faisceaux (voir à ce sujet Maury [1880] qui en donne un schéma). Le S. ranflora Drej. (voir Warming [18971) présente des feuilles du même type. Statice Dodartii Gir. Cette espèce se rencontre à la fois sur les ro Stock Photo

RMRMTRFA–. Annales des sciences naturelles. Plants; Biology. 230 H. CHERMEZON Dans le scape, les cellules épidermiqiies ont une membrane externe et une cuticule très épaisses; les cellules palissadiques sont courtes, ce qui est en rapport avec le grand développement des feuilles. Les scapes sont gros et remarquables par la très grande épaisseur du sclérencliyme qui englobe plusieurs cercles de faisceaux (voir à ce sujet Maury [1880] qui en donne un schéma). Le S. ranflora Drej. (voir Warming [18971) présente des feuilles du même type. Statice Dodartii Gir. Cette espèce se rencontre à la fois sur les ro

. Annales des sciences naturelles. Plants; Biology. 218 H. CHERMEZON LABIÉES Stachys maritima L. Plante vivace des sables maritimes et des rochers de la Méditerranée. La feuille (fig. 34) a des cellules épidermiques k membrane externe mince ; les stomates, plus abon- dants à la face inférieure, ne sont pas enfoncés. Les poils, les uns lecteurs, les autres glanduleux, sont dm type fréquent dans la famille. Le tissu palissadique est formé de deux assises de cellules; le reste du mésophylle se compose de cellules arrondies ou un peu allongées perpendiculairement à la surface. Il ny a, en somme, Stock Photo

RMRMTRKJ–. Annales des sciences naturelles. Plants; Biology. 218 H. CHERMEZON LABIÉES Stachys maritima L. Plante vivace des sables maritimes et des rochers de la Méditerranée. La feuille (fig. 34) a des cellules épidermiques k membrane externe mince ; les stomates, plus abon- dants à la face inférieure, ne sont pas enfoncés. Les poils, les uns lecteurs, les autres glanduleux, sont dm type fréquent dans la famille. Le tissu palissadique est formé de deux assises de cellules; le reste du mésophylle se compose de cellules arrondies ou un peu allongées perpendiculairement à la surface. Il ny a, en somme,

. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Em<(mV) 0.1 0.2 0.3 0.4 I (nA) PAIRED RANDOM Id t j 1 sec 10 mV 0.2 nA PAIRED. R.P. Light FIGURE 32. Cellular changes in cut nerve preparations from experimental and random control animals. (A) Receptor potentials of dark-adapted Type B photoreceptor from an ex- perimental animal (light paired with rotation). Responses evoked by brief light flashes of in- creasing intensity (4), —log 3.0; (3), —log 2.0; (2), —log 1.0; —log 0.5. Dash line indi- cates resting membrane potential and lower trace indicates duration of light fl Stock Photo

RMRHN303–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Em<(mV) 0.1 0.2 0.3 0.4 I (nA) PAIRED RANDOM Id t j 1 sec 10 mV 0.2 nA PAIRED. R.P. Light FIGURE 32. Cellular changes in cut nerve preparations from experimental and random control animals. (A) Receptor potentials of dark-adapted Type B photoreceptor from an ex- perimental animal (light paired with rotation). Responses evoked by brief light flashes of in- creasing intensity (4), —log 3.0; (3), —log 2.0; (2), —log 1.0; —log 0.5. Dash line indi- cates resting membrane potential and lower trace indicates duration of light fl

. Beitrge zur Kryptogamenflora der Schweiz. 263. Fig. 185. Ulotkrix zonata; deux tron^ons. A, en zoosporulation, B, gametipore ; vc, va- suole (lac de Geneve (juillet). Le thalle de ces plantes peut se transformer par toute sorte de modifications en hypnospores. C'est surtout aux endroits exposes aux ardeurs du soleil que ce developpement est manifeste. Le premier type est celui oü les filaments ont prompte- ment epaissi leur membrane. II y a ainsi production d'hypno- cystes. Dans un second stade le contenu s'est separe de la paroi; il s'est rempli d'huile et a pris une coloration rouge bri- q Stock Photo

RMRHWWPH–. Beitrge zur Kryptogamenflora der Schweiz. 263. Fig. 185. Ulotkrix zonata; deux tron^ons. A, en zoosporulation, B, gametipore ; vc, va- suole (lac de Geneve (juillet). Le thalle de ces plantes peut se transformer par toute sorte de modifications en hypnospores. C'est surtout aux endroits exposes aux ardeurs du soleil que ce developpement est manifeste. Le premier type est celui oü les filaments ont prompte- ment epaissi leur membrane. II y a ainsi production d'hypno- cystes. Dans un second stade le contenu s'est separe de la paroi; il s'est rempli d'huile et a pris une coloration rouge bri- q

. Botanique cryptogamique pharmaco-mdicale: programme raisonn d'un cours profess l'Ecole suprieure de pharmacie de Paris. Fermentation. Fig. 10. â Fructification du Lijcojmdimn clavatum. le type reconnu, donnent comme rÃ©sultat de la fÃ©condation non plus une graine, mais une spore (fig. 10) ; alors on -est portÃ© Ã les nommer SporidÃ©es SpoÃ®'oj^hytes Â» ou S2J0- rophorÃ©es ^ De plus, cette spore, qui est une semence et qui, par cela mÃªme, est assimilable, comme fonction, Ã la graine, est d'une simplicitÃ© d'organisation trÃ¨s grande, et, si la membrane recouvrante est une enveloppe protec Stock Photo

RMRHAX34–. Botanique cryptogamique pharmaco-mdicale: programme raisonn d'un cours profess l'Ecole suprieure de pharmacie de Paris. Fermentation. Fig. 10. â Fructification du Lijcojmdimn clavatum. le type reconnu, donnent comme rÃ©sultat de la fÃ©condation non plus une graine, mais une spore (fig. 10) ; alors on -est portÃ© Ã les nommer SporidÃ©es SpoÃ®'oj^hytes Â» ou S2J0- rophorÃ©es ^ De plus, cette spore, qui est une semence et qui, par cela mÃªme, est assimilable, comme fonction, Ã la graine, est d'une simplicitÃ© d'organisation trÃ¨s grande, et, si la membrane recouvrante est une enveloppe protec

. Contribution Ã l'etude des pupipares. Diptera. 178 AMTO.MIK g-itudinaux : ces derniers appartiennent Ã la cavitÃ© viscÃ©rale. La cloison membraneuse s'attache de chaque cÃ´tÃ© au corps adipeux et Ã riiypoderme. Le septum pÃ©ricardique est donc essentiellement une membrane fÃ®bro-musculaire. Muscles alaires. â Chez les Pupipares, les muscles alaires cor- respondent au type dÃ©crit par Strauss-Durckeim (1828) dans le Hanneton. Ils sont bien diffÃ©rents de ceux de la Calliphora, oÃ¹ ils consistent, d'aprÃ¨s Lo^vne, en une paire de deux grands faisceaux musculaires, qui naissent de la partie ant Stock Photo

RMRE9WGA–. Contribution Ã l'etude des pupipares. Diptera. 178 AMTO.MIK g-itudinaux : ces derniers appartiennent Ã la cavitÃ© viscÃ©rale. La cloison membraneuse s'attache de chaque cÃ´tÃ© au corps adipeux et Ã riiypoderme. Le septum pÃ©ricardique est donc essentiellement une membrane fÃ®bro-musculaire. Muscles alaires. â Chez les Pupipares, les muscles alaires cor- respondent au type dÃ©crit par Strauss-Durckeim (1828) dans le Hanneton. Ils sont bien diffÃ©rents de ceux de la Calliphora, oÃ¹ ils consistent, d'aprÃ¨s Lo^vne, en une paire de deux grands faisceaux musculaires, qui naissent de la partie ant

. Bulletin de la Socit botanique de Genve. Plants; Plants -- Switzerland. Pig. 69. Evonymus japonica. Type de stomate que l'on ren- contre sur les feuilles prÃªtes Ã tomber en automne.. Fig. 70. â Evonymus japonica. Type de stomate que. l'on rencontre sur les feuilles prÃªtes Ã tomber en automne. les sous-jacentes qui viennent s'appliquer contre la partie infÃ©rieure des cellules annexes. J'ai plusieurs fois remarquÃ© que la cellule sous-jÃ¢cente qui produit l'occlusion possÃ¨de une membrane fort Ã©paissie du cÃ´tÃ© de l'ostiole; elle prÃ©sente aussi quelquefois une cloison oblique (fig. 70). Stock Photo

RMRGR0FC–. Bulletin de la Socit botanique de Genve. Plants; Plants -- Switzerland. Pig. 69. Evonymus japonica. Type de stomate que l'on ren- contre sur les feuilles prÃªtes Ã tomber en automne.. Fig. 70. â Evonymus japonica. Type de stomate que. l'on rencontre sur les feuilles prÃªtes Ã tomber en automne. les sous-jacentes qui viennent s'appliquer contre la partie infÃ©rieure des cellules annexes. J'ai plusieurs fois remarquÃ© que la cellule sous-jÃ¢cente qui produit l'occlusion possÃ¨de une membrane fort Ã©paissie du cÃ´tÃ© de l'ostiole; elle prÃ©sente aussi quelquefois une cloison oblique (fig. 70).

. Bulletin de la Station Biologique d'Arcachon. Zoology. 146 SOCIÃTÃ SCIENTIFIQUE D'ARCACHON et constitue la cellule type (c'est des vÃ©gÃ©taux, en effet, que la thÃ©orie en question s'est Ã©tendue aux tissus animaux). Les innombrables formations que l'on dÃ©signe sous le nom de cellules ont une forme si diffÃ©rente chez les Ãªtres et dans les divers tis- sus, que l'on conÃ§oit parfaitement que les partisans de la thÃ©orie cellu- laire se soient attachÃ©s Ã ce seul cri- tÃ©rium du prÃ©tendu organite fonda- mental et universel, Ã la membrane cellulaire. Rien n'est plus dissemblable, nous l'avon Stock Photo

RMRGNE08–. Bulletin de la Station Biologique d'Arcachon. Zoology. 146 SOCIÃTÃ SCIENTIFIQUE D'ARCACHON et constitue la cellule type (c'est des vÃ©gÃ©taux, en effet, que la thÃ©orie en question s'est Ã©tendue aux tissus animaux). Les innombrables formations que l'on dÃ©signe sous le nom de cellules ont une forme si diffÃ©rente chez les Ãªtres et dans les divers tis- sus, que l'on conÃ§oit parfaitement que les partisans de la thÃ©orie cellu- laire se soient attachÃ©s Ã ce seul cri- tÃ©rium du prÃ©tendu organite fonda- mental et universel, Ã la membrane cellulaire. Rien n'est plus dissemblable, nous l'avon

. Comptes rendus des sÃ©ances de la SociÃ©tÃ© de biologie et de ses filiales. Biology. SÃANCE DU 15 JUIN 1103 aux vapeurs d'acide osmique la prÃ©paration simplement Ã©talÃ©e et avant dessiccation. Puis les prÃ©parations peuvent Ãªtre fixÃ©es sÃ´it par l'alcool, soit par des fixateurs variÃ©s. Au point de vue de la membrane qui nous intÃ©resse surtout dans la prÃ©sente note, le violet de gentiane, comme colorant, donne les meilleurs rÃ©sultats : solutions anilinÃ©es ou phÃ©niquÃ©es employÃ©es Ã chaud ; la formule donnÃ©e parVlÃ¨s,violetde gentiane-alcool-formol,est excellente.. DiffÃ©renis type Stock Photo

RMRECKJA–. Comptes rendus des sÃ©ances de la SociÃ©tÃ© de biologie et de ses filiales. Biology. SÃANCE DU 15 JUIN 1103 aux vapeurs d'acide osmique la prÃ©paration simplement Ã©talÃ©e et avant dessiccation. Puis les prÃ©parations peuvent Ãªtre fixÃ©es sÃ´it par l'alcool, soit par des fixateurs variÃ©s. Au point de vue de la membrane qui nous intÃ©resse surtout dans la prÃ©sente note, le violet de gentiane, comme colorant, donne les meilleurs rÃ©sultats : solutions anilinÃ©es ou phÃ©niquÃ©es employÃ©es Ã chaud ; la formule donnÃ©e parVlÃ¨s,violetde gentiane-alcool-formol,est excellente.. DiffÃ©renis type

. Comptes rendus des sÃ©ances de la SociÃ©tÃ© de biologie et de ses filiales. Biology. SÃANCE DU 1"' JUIN 887 Ces trypan. se colorent assez bien, sauf le noyau qui reste rose pÃ¢le. Le protoplasme, dans une mÃªme prÃ©paration, varie, suivant les indi- vidus, du bleu pÃ¢le au bleu foncÃ©. Le type le plus frÃ©quent est trÃ¨s large, Ã membrane ondulante assez Ã©troite. Le trypan. du Crypiurus cinereus n'a pas paru diffÃ©rer sensiblement du prÃ©cÃ©dent.. Trypanosome du Tinamus subcristafiis X 1200. Les chiffres 1-3 correspondent aux numÃ©ros des individus dont les mesures sont donnÃ©es. M. Me Stock Photo

RMRED62N–. Comptes rendus des sÃ©ances de la SociÃ©tÃ© de biologie et de ses filiales. Biology. SÃANCE DU 1"' JUIN 887 Ces trypan. se colorent assez bien, sauf le noyau qui reste rose pÃ¢le. Le protoplasme, dans une mÃªme prÃ©paration, varie, suivant les indi- vidus, du bleu pÃ¢le au bleu foncÃ©. Le type le plus frÃ©quent est trÃ¨s large, Ã membrane ondulante assez Ã©troite. Le trypan. du Crypiurus cinereus n'a pas paru diffÃ©rer sensiblement du prÃ©cÃ©dent.. Trypanosome du Tinamus subcristafiis X 1200. Les chiffres 1-3 correspondent aux numÃ©ros des individus dont les mesures sont donnÃ©es. M. Me

. The doctrine of descent and Darwinism. Evolution. TYPE OF DEVELOPMENT OF ARTICULATA. S3 rounded itself with a germinal membrane, a portion of it thickens into a long germinal stria, resembling an elon- gated ellipse. This is the rudiment of the ventral side of the future animal. A groove then divides it into the two germinal laminae, and transverse striae next make their appearance, the indications of the so-called primordial segments. The symmetrical disposition of the organs, and the integration of the body out of consecutive segments, is herewith initiated. All further development emanate Stock Photo

RMRCC92E–. The doctrine of descent and Darwinism. Evolution. TYPE OF DEVELOPMENT OF ARTICULATA. S3 rounded itself with a germinal membrane, a portion of it thickens into a long germinal stria, resembling an elon- gated ellipse. This is the rudiment of the ventral side of the future animal. A groove then divides it into the two germinal laminae, and transverse striae next make their appearance, the indications of the so-called primordial segments. The symmetrical disposition of the organs, and the integration of the body out of consecutive segments, is herewith initiated. All further development emanate

. The doctrine of descent and Darwinism. Evolution. TYPE OF DEVELOPMENT OF ARTICULATA. 53 rounded itself with a germinal membrane, a portion of it thickens into a long germinal stria, resembling an elon- gated ellipse. This is the rudiment of the ventral side of the future animal. A groove then divides it into the two germinal laminae, and transverse striae next make their appearance, the indications of the so-called primordial segments. The symmetrical disposition of the organs, and the integration of the body out of consecutive segments, is herewith initiated. All further development emanate Stock Photo

RMRCC8Y6–. The doctrine of descent and Darwinism. Evolution. TYPE OF DEVELOPMENT OF ARTICULATA. 53 rounded itself with a germinal membrane, a portion of it thickens into a long germinal stria, resembling an elon- gated ellipse. This is the rudiment of the ventral side of the future animal. A groove then divides it into the two germinal laminae, and transverse striae next make their appearance, the indications of the so-called primordial segments. The symmetrical disposition of the organs, and the integration of the body out of consecutive segments, is herewith initiated. All further development emanate

. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. A TYPE OF EMBRYONIC DEVELOPMENT IN INSECTS 11 surrounded b}^ a cellular wall, the so-called "blastoderm," or primary epithelium, which lies immediately below the vitelhne membrane (Fig. 9). Yolk Cells, or Vitellophags.—After the formation of the primary epithelium (blastoderm) some cells migrate back into the yolk where they increase in size and change in appearance (Fig. 9, yc). These are the yol Stock Photo

RMRC5N3X–. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. A TYPE OF EMBRYONIC DEVELOPMENT IN INSECTS 11 surrounded b}^ a cellular wall, the so-called "blastoderm," or primary epithelium, which lies immediately below the vitelhne membrane (Fig. 9). Yolk Cells, or Vitellophags.—After the formation of the primary epithelium (blastoderm) some cells migrate back into the yolk where they increase in size and change in appearance (Fig. 9, yc). These are the yol

. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. 254 DISCOVERY REPORTS the structure described in C. validus, Burger. During the examination of the material by means of hand sections cleared in anilin oil it was generally found that the basement membrane conformed to type, but sometimes it did not. On cutting diagonal and longi- tudinal sections an explanation, based on the contraction of the muscles of the body, was found to cover the differences. When the body is contracted the cutis is thrown into circular wrinkles between which the basemen Stock Photo

RMRCE54K–. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. 254 DISCOVERY REPORTS the structure described in C. validus, Burger. During the examination of the material by means of hand sections cleared in anilin oil it was generally found that the basement membrane conformed to type, but sometimes it did not. On cutting diagonal and longi- tudinal sections an explanation, based on the contraction of the muscles of the body, was found to cover the differences. When the body is contracted the cutis is thrown into circular wrinkles between which the basemen

. Elements of Comparative Anatomy. 96 COMPARATIVE ANATOMY. These are— 1) Locomotive Persons (Nectocalyces): those conform most completely to the Medusa-type, and are united together by twos. Fig. 33. Some colonies of Siphonoiahora. ADiplujes campanulata. B A group of appendages of the stem of tlie same Diphyes. C Physophora hydrostatica. A separate nectocalys of it. E Cluster of female generative buds of A<jalma Sarsii. D a Trunk or axis of the colony, d Air-bladder. m Nectocalyx. c Cavity in uectocalyx, invested by a contractile membrane, v Canals in the vralls of this cavity, o Opening of Stock Photo

RMRCPBTJ–. Elements of Comparative Anatomy. 96 COMPARATIVE ANATOMY. These are— 1) Locomotive Persons (Nectocalyces): those conform most completely to the Medusa-type, and are united together by twos. Fig. 33. Some colonies of Siphonoiahora. ADiplujes campanulata. B A group of appendages of the stem of tlie same Diphyes. C Physophora hydrostatica. A separate nectocalys of it. E Cluster of female generative buds of A<jalma Sarsii. D a Trunk or axis of the colony, d Air-bladder. m Nectocalyx. c Cavity in uectocalyx, invested by a contractile membrane, v Canals in the vralls of this cavity, o Opening of

$. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. 00 OEGAN1ZA1IOX ANU DEVELOPMENT OF ANIilALS GENEBAL. through the opening in which the rays of light enter the eye to fall on the terminal segments of the retinal cells (tig. 87). In the more highly developed forms of this type of eye, especially in the Vertebrate eye, the peripheral portion of the optic nerve spreads out so as to form a cup-shaped nervous membrane, the retina, placed immediately behind the refractile media and surrounded by a vascular pigmented membrane, the choroid. The ch Stock Photo$

RMRCYCGK–. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. 00 OEGAN1ZA1IOX ANU DEVELOPMENT OF ANIilALS GENEBAL. through the opening in which the rays of light enter the eye to fall on the terminal segments of the retinal cells (tig. 87). In the more highly developed forms of this type of eye, especially in the Vertebrate eye, the peripheral portion of the optic nerve spreads out so as to form a cup-shaped nervous membrane, the retina, placed immediately behind the refractile media and surrounded by a vascular pigmented membrane, the choroid. The ch

. Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. 30 ELEMENTS OF BIOLOGY type of protoplasm, although it is continuous with the underlying substance. This boundary, known as the plasma membrane, may be, and in many cases is, surrounded by a non-living pellicle or cell WALL, formed by substances constructed by the chemical processes within the cell. CELL WALL N U C u s CHROMATIN KARYOSOME PLASMA MEMBRANE. NUCLEAR MEM BRANE NUCLEAR SAP PLASMOSOME LININ PLASTID GOLGI BODIES CENTROSOME CENTROSPHERE MITOCHONDRIA CYTOPLASM VACUOLE METAPLASM' Fig. Stock Photo

RMRCRHBG–. Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. 30 ELEMENTS OF BIOLOGY type of protoplasm, although it is continuous with the underlying substance. This boundary, known as the plasma membrane, may be, and in many cases is, surrounded by a non-living pellicle or cell WALL, formed by substances constructed by the chemical processes within the cell. CELL WALL N U C u s CHROMATIN KARYOSOME PLASMA MEMBRANE. NUCLEAR MEM BRANE NUCLEAR SAP PLASMOSOME LININ PLASTID GOLGI BODIES CENTROSOME CENTROSPHERE MITOCHONDRIA CYTOPLASM VACUOLE METAPLASM' Fig.

. Elements of comparative anatomy. Anatomy, Comparative. 96 COMPARATIVE ANATOMY. These are— 1) Locomotive Persons (Nectocalyces) : these conform most completely to the Medusa-type, and are united together by twos. Fig. 33. Some colonics of Siphonopliora. ADiphyes campanulata. B A group of appendages of the stem of the same Diphyes. C Physophora hydrostatica. A separate nectocalyx of it. E Cluster of female generative buds of Ayalma Sarsii. D a Trunk or axis of the colony, d Air-bladder. m Nectocalyx. c Cavity in nectocalyx, invested by a contractile membrane, v Canals in the walls of this cavi Stock Photo

RMRCPXMD–. Elements of comparative anatomy. Anatomy, Comparative. 96 COMPARATIVE ANATOMY. These are— 1) Locomotive Persons (Nectocalyces) : these conform most completely to the Medusa-type, and are united together by twos. Fig. 33. Some colonics of Siphonopliora. ADiphyes campanulata. B A group of appendages of the stem of the same Diphyes. C Physophora hydrostatica. A separate nectocalyx of it. E Cluster of female generative buds of Ayalma Sarsii. D a Trunk or axis of the colony, d Air-bladder. m Nectocalyx. c Cavity in nectocalyx, invested by a contractile membrane, v Canals in the walls of this cavi

$. Elementary text-book of zoology. Zoology. 90 ORGANIZATION AND DEVELOPMENT OF ANIMALS IN GENERAL. through the opening in which the rays of light enter the eye to fall on the terminal segments of the retinal cells (fig. 87). In the more highly developed forms of this type of eye, especially in the Vertebrate eye, the peripheral portion of the optic nerve spreads out so as to form a cup-shaped nervous membrane, the retina, placed immediately behind the refractile media and surrounded by a vascular pigmented membrane, the choroid. The choroid, again, is surrounded by a tough supporting membrane Stock Photo$

RMRCXNWJ–. Elementary text-book of zoology. Zoology. 90 ORGANIZATION AND DEVELOPMENT OF ANIMALS IN GENERAL. through the opening in which the rays of light enter the eye to fall on the terminal segments of the retinal cells (fig. 87). In the more highly developed forms of this type of eye, especially in the Vertebrate eye, the peripheral portion of the optic nerve spreads out so as to form a cup-shaped nervous membrane, the retina, placed immediately behind the refractile media and surrounded by a vascular pigmented membrane, the choroid. The choroid, again, is surrounded by a tough supporting membrane

. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. ;0 0EQA^•1ZA1I0^• A^•I; detelopment of akimals in gexeeal. through the opening in which the rays of light enter tlie eye to fall on the terminal segments of the retinal cells (fig. 87). In the more highly developed forms of this type of eye, especially in the Vertebrate eye, the peripheral portion of the optic nerve spreads out so as to form a cup-shaped nervous membrane, the retina, placed immediately behind the refraotile media and surrounded by a vascular pigmented membrane, the choroid. The chor Stock Photo

RMRD1M1G–. Elementary text-book of zoology, general part and special part: protozoa to insecta. Animals. ;0 0EQA^•1ZA1I0^• A^•I; detelopment of akimals in gexeeal. through the opening in which the rays of light enter tlie eye to fall on the terminal segments of the retinal cells (fig. 87). In the more highly developed forms of this type of eye, especially in the Vertebrate eye, the peripheral portion of the optic nerve spreads out so as to form a cup-shaped nervous membrane, the retina, placed immediately behind the refraotile media and surrounded by a vascular pigmented membrane, the choroid. The chor

. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. SLIME SLUGS, MYRIAPODS AND INSECTS 127 THE EXTERNAL STRUCTURE OF THE HONEY-BEE Body-wall.—The body of a bee, which is a well-developed insect type, is, let us note first of all, entirely covered by a firm body wall or hardened skin. This body-wall is composed of two layers, an inner, very thin and soft, cellular layer, the cells being arranged side by side to form a skin membrane, only one layer of cells in thickness, and an outer, thicker, non-cellu- lar cuticular layer, composed of material secreted by the skin Stock Photo

RMRCY6F2–. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. SLIME SLUGS, MYRIAPODS AND INSECTS 127 THE EXTERNAL STRUCTURE OF THE HONEY-BEE Body-wall.—The body of a bee, which is a well-developed insect type, is, let us note first of all, entirely covered by a firm body wall or hardened skin. This body-wall is composed of two layers, an inner, very thin and soft, cellular layer, the cells being arranged side by side to form a skin membrane, only one layer of cells in thickness, and an outer, thicker, non-cellu- lar cuticular layer, composed of material secreted by the skin

. Dreer's 1948 wholesale catalog for florists truck growers market gardeners landscape architects : Dreer quality seeds - bulbs - roses tools - supplies. Bulbs (Plants) Catalogs; Vegetables Seeds Catalogs; Flowers Seeds Catalogs; Nurseries (Horticulture) Catalogs; Gardening Equipment and supplies Catalogs. Pruning Tools Trefix. Forms an ideal waterproof elastic membrane for protecting tree wounds and pruning cuts. Pint 75c; quart $1.25; gallon $2.40. Disston Hand Pruning Saw Saws, Disston Hand Pruning. No. 31. 20-in. $2.50, poslpaid. Pacific Coast Type Saw. J15. Built like a hack- saw. Will cu Stock Photo

RMRCB29R–. Dreer's 1948 wholesale catalog for florists truck growers market gardeners landscape architects : Dreer quality seeds - bulbs - roses tools - supplies. Bulbs (Plants) Catalogs; Vegetables Seeds Catalogs; Flowers Seeds Catalogs; Nurseries (Horticulture) Catalogs; Gardening Equipment and supplies Catalogs. Pruning Tools Trefix. Forms an ideal waterproof elastic membrane for protecting tree wounds and pruning cuts. Pint 75c; quart $1.25; gallon $2.40. Disston Hand Pruning Saw Saws, Disston Hand Pruning. No. 31. 20-in. $2.50, poslpaid. Pacific Coast Type Saw. J15. Built like a hack- saw. Will cu

. Dictionnaire de physiologie. Physiology. CHROMATOPHORES. 7-43 les ramifications sont coiistitures par des [nolon^erntMils de larellule mÃªme; on trouve ce type de rhromatophores chez les InvoitÃ©ijrÃ©s et chez les VertÃ©bn's; tandis que cliez les preniieis (^sauf quelques PtÃ©ropodos), ce sont des cellules ainihoides dÃ©pourvues de membrano propre; chez les seconds, il y a une membrane propre qui entoure la cellule* Lea chi'omalophores composÃ©)^. â Ils sont constituÃ©s par une cellule centrale arrondie, entourÃ©e d'une membrane hyaline, sur latjuelle s'insÃ¨rent des cellules radiaires fusi- Stock Photo

RMRCRPF6–. Dictionnaire de physiologie. Physiology. CHROMATOPHORES. 7-43 les ramifications sont coiistitures par des [nolon^erntMils de larellule mÃªme; on trouve ce type de rhromatophores chez les InvoitÃ©ijrÃ©s et chez les VertÃ©bn's; tandis que cliez les preniieis (^sauf quelques PtÃ©ropodos), ce sont des cellules ainihoides dÃ©pourvues de membrano propre; chez les seconds, il y a une membrane propre qui entoure la cellule* Lea chi'omalophores composÃ©)^. â Ils sont constituÃ©s par une cellule centrale arrondie, entourÃ©e d'une membrane hyaline, sur latjuelle s'insÃ¨rent des cellules radiaires fusi-

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