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RMPFN8YF–. Cuvier's animal kingdom : arranged according to its organization. Animals. COLEOPTERA. 525. I-is- 70.—Sc abxus hercules. differ from the females in being armed with peculiar horns or tubercles either ou the head or thorax ; the labriim is generally entirely concealed ; in some species the maxillae are terminated by a simple coria- ceous or crustaceous lobe, without teeth ; in others they are scaly, pointed, and armed with a few teeth ; the sternum is not prominent ; the tarsal ungues are generally equal, the colours generally black or brown. On/ctes, lUig. (having the legs scarcely differing
![Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 OLIGOENTOMATA AND APTILOTA 173 merited, three divisions posterior to the tubus ventralis usually being visible, while at the posterior end the beginning of the proctodaeum is Fig. abd4— abd3- mx I ma abd' 79.—Isotoma. Longitudinal section, {abd) Abdominal rudiments, {do) Dorsal organ, {hi) Head lobe, {md) Mandible, (mx) Maxillae. evident. The stomodaeum, which made its appearance a s Stock Photo](https://c8.alamy.com/comp/RWRB7N/embryology-of-insects-and-myriapods-embryology-of-insects-and-myriapods-the-developmental-history-of-insects-centipedes-and-millepedes-from-egg-desposition-!-to-hatching-embryologyofinse00joha-year-1941-oligoentomata-and-aptilota-173-merited-three-divisions-posterior-to-the-tubus-ventralis-usually-being-visible-while-at-the-posterior-end-the-beginning-of-the-proctodaeum-is-fig-abd4-abd3-mx-i-ma-abd-79isotoma-longitudinal-section-abd-abdominal-rudiments-do-dorsal-organ-hi-head-lobe-md-mandible-mx-maxillae-evident-the-stomodaeum-which-made-its-appearance-a-s-RWRB7N.jpg "Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 OLIGOENTOMATA AND APTILOTA 173 merited, three divisions posterior to the tubus ventralis usually being visible, while at the posterior end the beginning of the proctodaeum is Fig. abd4— abd3- mx I ma abd' 79.—Isotoma. Longitudinal section, {abd) Abdominal rudiments, {do) Dorsal organ, {hi) Head lobe, {md) Mandible, (mx) Maxillae. evident. The stomodaeum, which made its appearance a s Stock Photo")
RMRWRB7N–Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 OLIGOENTOMATA AND APTILOTA 173 merited, three divisions posterior to the tubus ventralis usually being visible, while at the posterior end the beginning of the proctodaeum is Fig. abd4— abd3- mx I ma abd' 79.—Isotoma. Longitudinal section, {abd) Abdominal rudiments, {do) Dorsal organ, {hi) Head lobe, {md) Mandible, (mx) Maxillae. evident. The stomodaeum, which made its appearance a s
RM2RD7YMN–The Large Bee-fly is a large and distinctive member of the Bee-fly mimics. They often swarm around flowering trees like acacias for the nectar.
RM2AWDGN8–Text-book of comparative anatomy . all these varioiisly transformed mouth parts ofthe Hexapoda to 3 pairs of oral limbs (mandibles, and anterior andposterior maxilla) is one of the greatest achievements of comparativeanatomy. We can only take into consideration the principal forms ofthese oral limbs. The mouth parts of the Orthopfera form the beststarting-point in our revieAV, because in them the composition of thelower lip (labium) of 2 lateral pieces (posterior maxillae) is mostevident. The whole apparatus (Fig. 303) is as follows. 446 COMPARA TIVE A XA TOMY CHAP. 1. The upper lip (labrum Ib
RMPFHMFE–. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. 2l8 COPEPODA was found iu segments 12 and 14, but not in segment 18. The Sp. of segment 24 does not extend to the end of segment 25. The segments 8—12 are 1-4 as long as segments 23—25, and segment 19 is i-i as long as 23. The antennae, mandibulae and maxillulae are practically like those of the adult females. The sensory organs of the maxillae are better developed, and the maxilUpeds show the usual differences. The nafatory tegs are scarcely different from those of the females. The. Ji/ih pair of legs is distinctly longer t
![Elementary textbook of economic zoology Elementary textbook of economic zoology and entomology . elementarytextbo00kell Year: [c1915] 146 ECONOMIC ZOOLOGY AND ENTOMOLOGY four piercing stylets are the greatly modified mandibles and maxillae, and the tubular sheath, which has a narrow longi- tudinal slit along its upper side, is the much modified labium. The labrum is reduced to a very small triangular piece at the base of the sheath, and the maxillary palpi are wanting. The labial palpi are also wanting, or are sometimes present as two small feelers rising from the base of the labial sheath. I Stock Photo](https://c8.alamy.com/comp/RYT535/elementary-textbook-of-economic-zoology-elementary-textbook-of-economic-zoology-and-entomology-elementarytextbo00kell-year-c1915-146-economic-zoology-and-entomology-four-piercing-stylets-are-the-greatly-modified-mandibles-and-maxillae-and-the-tubular-sheath-which-has-a-narrow-longi-tudinal-slit-along-its-upper-side-is-the-much-modified-labium-the-labrum-is-reduced-to-a-very-small-triangular-piece-at-the-base-of-the-sheath-and-the-maxillary-palpi-are-wanting-the-labial-palpi-are-also-wanting-or-are-sometimes-present-as-two-small-feelers-rising-from-the-base-of-the-labial-sheath-i-RYT535.jpg "Elementary textbook of economic zoology Elementary textbook of economic zoology and entomology . elementarytextbo00kell Year: [c1915] 146 ECONOMIC ZOOLOGY AND ENTOMOLOGY four piercing stylets are the greatly modified mandibles and maxillae, and the tubular sheath, which has a narrow longi- tudinal slit along its upper side, is the much modified labium. The labrum is reduced to a very small triangular piece at the base of the sheath, and the maxillary palpi are wanting. The labial palpi are also wanting, or are sometimes present as two small feelers rising from the base of the labial sheath. I Stock Photo")
RMRYT535–Elementary textbook of economic zoology Elementary textbook of economic zoology and entomology . elementarytextbo00kell Year: [c1915] 146 ECONOMIC ZOOLOGY AND ENTOMOLOGY four piercing stylets are the greatly modified mandibles and maxillae, and the tubular sheath, which has a narrow longi- tudinal slit along its upper side, is the much modified labium. The labrum is reduced to a very small triangular piece at the base of the sheath, and the maxillary palpi are wanting. The labial palpi are also wanting, or are sometimes present as two small feelers rising from the base of the labial sheath. I
RM2RD7YWC–The Large Bee-fly is a large and distinctive member of the Bee-fly mimics. They often swarm around flowering trees like acacias and eat the nectar.
RM2AFJC6F–. A practical study of malaria. the head. The antennae, composed of from fourteen to sixteen joints,arise from papillae immediately in front of the eyes, scantilyhaired in females, beautifully plumose in males. The proboscis projects from the middle of the anteriormargin of the head at its lowest plane. The proboscis is highlycomplex. It is composed of a labrum and epipharynx, a hypo-pharynx, two mandibles, two maxillae, and a labium whichforms a sheath for the other parts. The maxillae and mandi-bles serve for piercing the skin. The epipharynx conducts the 6 &2 THE STUDY OF MALARIA blood or o
RMPFXYDP–. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. GENERAL CLASSIFICATION AND STRUCTURE. 23 Palps. rotary motion upon the fore part of the sternum, moving toward and against each other, thus crushing the interposed prey. The palps (ps) or palpi arc two organs inserted into the free end of the maxillae, of which they are an organic part.^ Each palp has five joints of various lengths named in order from the maxilla, (1) axillary, ax, (2) humeral, hu, (3) cubital, cu, (4) radial,
RMRWMRD5–Elementary entomology (1912) Elementary entomology elementaryentom00sand Year: 1912 ANATOMY OF INSECTS — EXTERNAL 15 termed the scccvid inaxillcs. The labium forms the floor of the mouth and assists the mandibles and maxillae with the food. It is hinged to the head at its base (by the inaitum), and projecting from either side is a palpus, similar in form and function to the maxillary palpi. Between the palpi are one or two pairs of lobes, the ligjila. Projecting into the cavity of the mouth from the inner sur- face of the labium is the hypophaijnx, or tongue. This in the Fig. 15. Mouth-par
RM2T08NC9–Groups of Long-legged Fly are often seen on fresh dung. They are ant mimics and also called Black Scavenger Flies. They constantly wave their wings.
RM2ANEDTF–Forest entomology . re, the student would do well torefer to figs. 41 and 42, together with the explanation as given by1 Rye, British Beetles, p. 41. 42 FOREST ENTOMOLOGY. Fowler. These points should be thoroughly mastered, as the readydiscrimination of species from a systematic point of view will dependupon the same. Family LUCANID.E. Fowler says that the three British genera of the Lucanidae maybe distinguished as follows :— I. Eyes more or less divided ; ligula and maxillae covered by thementum ; antennae geniculate ; posterior femora extendingbeyond margin of elytra.1. Eyes divided for sca
RMPFN5KG–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. CRUSTACEA. Fig. 413. Fig. 414. Fig. 415 773. Fig. 412, Ventral aspect of the cephalo-thoracic portion of the Dichelestion. a, trunk or sucker ; b, maxillse. Fig. 413, The trunk or sucker magnified, a, thelabrum; b, the mandibles. Fig. 414 Sf 415, The maxillae. nultimate articulation (the claws, pincers, or cheliferous extremities). The extremity occasionally terminates in two articulations presenting no kind of unusual development, but the last of which, termi- nated by a sharp point and armed with teeth or seme, returns
RMT246KJ–Archive image from page 300 of Diptera Danica genera and species Diptera Danica: genera and species of flies hitherto found in Denmark dipteradanicage01lund Year: 1907 Bombyliidae. 119 posterior side of the oral cone lie the stipites of the maxillae. Pro- boscis more than half as long as the body, directed forwards and more or less downwards; labrum as long as the basal part of labium, pointed at the apex; the maxillae are long, chitinous threads, and likewise hypopharynx which is slightly broader towards the base; the maxillary palpi are small, one-jointed, beset with hairs; hypopharynx and
RM2RWEYAW–Harvester Termites live in huge eusocial colonies. Workers gather vast quantities of cut grass that is worked in fungal gardens inside the colony.
RM2AJ4MJK–Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists . Fig. 57.. Fig. 58. out, with the rudiments of the limbs and mouth-parts ; and thesternites, or ventral walls, of the thorax and of the two basalrings of the head appear. The anterior part of the head, in-cluding the so-called procephalic lobes overhangs and con- FIG. 57. Side view of embryo. The procephalic lobes are not shown. 1, antennae;2, mandibles; 3, maxilla;; 4, second maxillae (labium); 5-7, legs. These numbersand letters are the same in
RMPFTRBJ–. Bees & bee-keeping; scientific and practical. A complete treatise on the anatomy, physiology, floral relations, and profitable management of the hive bee. Bee culture; Bees. 100 BEES AND BEE-KEEPING. as before stated, and carrying the mentum itself backwards, by which movement the delicate skin lying between the two secretory openings bends upon itself, and the tongue, embraced by the maxillae, doubles back behind the head, as at A. So that, in-. * sdN°l Fig. 19.—Ideal Sections Through Tongue (Magnified Twelve times). A, Tongue Fully Retracted. B, Tongue Outstretched for Sucking; letteri
![Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 neur neurg Fig. 16.—Cross section of embryo, (am) Amnion, (coel) Coelomic cavities, (ect) Ectoderm, (mes) Mesoderm, (mst) Median nerve strand, (neur) Neuroblasts, (neurg) Neural groove. part of the hypopharynx, however, is formed from the sternal regions of the jaw segments. The jaws and the legs at first appear as short, broad elevations (Fig. 15). The second maxillae later fuse along Stock Photo](https://c8.alamy.com/comp/RWMTDR/embryology-of-insects-and-myriapods-embryology-of-insects-and-myriapods-the-developmental-history-of-insects-centipedes-and-millepedes-from-egg-desposition-!-to-hatching-embryologyofinse00joha-year-1941-neur-neurg-fig-16cross-section-of-embryo-am-amnion-coel-coelomic-cavities-ect-ectoderm-mes-mesoderm-mst-median-nerve-strand-neur-neuroblasts-neurg-neural-groove-part-of-the-hypopharynx-however-is-formed-from-the-sternal-regions-of-the-jaw-segments-the-jaws-and-the-legs-at-first-appear-as-short-broad-elevations-fig-15-the-second-maxillae-later-fuse-along-RWMTDR.jpg "Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 neur neurg Fig. 16.—Cross section of embryo, (am) Amnion, (coel) Coelomic cavities, (ect) Ectoderm, (mes) Mesoderm, (mst) Median nerve strand, (neur) Neuroblasts, (neurg) Neural groove. part of the hypopharynx, however, is formed from the sternal regions of the jaw segments. The jaws and the legs at first appear as short, broad elevations (Fig. 15). The second maxillae later fuse along Stock Photo")
RMRWMTDR–Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 neur neurg Fig. 16.—Cross section of embryo, (am) Amnion, (coel) Coelomic cavities, (ect) Ectoderm, (mes) Mesoderm, (mst) Median nerve strand, (neur) Neuroblasts, (neurg) Neural groove. part of the hypopharynx, however, is formed from the sternal regions of the jaw segments. The jaws and the legs at first appear as short, broad elevations (Fig. 15). The second maxillae later fuse along
RM2JN64AB–The commonest of the shiny green blowflies, the Greenbottle is abundant and widespread but rarely enters households. They breed in carrion.
RM2AM41CT–Lectures on operative dental surgery and therapeutics . til the ad-vance of age determines their further tolerance in themouth. In the normal articulation, the superior incisorsslightly overlap the inferior, and, as an ill-constructed pairof shears may be made to destroy their own edges, in likemanner an abnormal closure of the maxillae may cause theincisors to abrade each other. Where this exists, treat-ment will consist in restoring the original articulation, aspreviously described. Such then are the two recognised agents in causingabrasion; but I shall now describe a case in practice pro-ce
RMPFHMRF–. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. 126 COPEPODA Le of which has 5 setae, while its Li has 7 setae. The muxilhdac are scarcely different from those described in E. curHcauda the maxillae agree in general shape (cf. fig. 311 PI. IV), but the setae of the four proximal lobes are poorly developed, while the fifth lobe has a long, soft, somewhat contorted sensory seta in addition to one fairly slender and one very short of usual structure; the inaxillipeds are as usual more slender than in the female. The first pair of legs is as usual well distinguished from tha
RMT23Y3J–Archive image from page 372 of Diptera Danica genera and species Diptera Danica: genera and species of flies hitherto found in Denmark dipteradanicage01lund Year: 1907 Empididae. 21 labrum, likewise strong, canaliculated, curved downwards and pointed. There are no maxillae, but one-jointed, ovate maxillary palpi with a pair of bristles on the apex. Labium is of the same length as the other parts, the labella are about as long as the basal part, somewhat broad, cleft to their base, and with bristles and a few pseudotracheae. Thorax is not elongated but almost square or roundish; it is very- h
RM2M0F3CE–The unusual gall shape of some of the thorn bases are home to the tiny but aggressive Crematogaster ants. The Whistling Thorn provides protection
RM2AJE4FR–A history of the British sessile-eyed Crustacea . foot-jaws have a large apical lobe, whiLtthe intermediate joints have their inner angles producedinto rounded setose lobes. In the middle figure (e ?) wehave represented a structure which presented itself to uson dissecting the mouth, which we consider to be theinner maxillae, although differing from the ordinary formof those organs, which generally consist of three equal-sized membranous plates of identical form and structure,and with a similar ciliation at the tips. In figure p isrepresented the underside of the tail, with the omissionof the
![. Cuvier's animal kingdom : arranged according to its organization. Animals. PULMONARIA. 461 Tetragnatha, Latr., has the" eyes arranged, four and four, in two lines nearly parallel, and separated by nearly equal intervals ; the inaxilUe long-, narrow, and dilated only at the upper end, and the chelicerae are very long, especially in the males : the web is verticalâT. extensa, Walck., Linn. Epeira, Walck., has the two eyes on each side close together, and the four middle ones forming a square. The maxillae are dilated from the base, and form a rounded palette. E. cucurbitina is the only kn Stock Photo](https://c8.alamy.com/comp/PFN92Y/cuviers-animal-kingdom-arranged-according-to-its-organization-animals-pulmonaria-461-tetragnatha-latr-has-thequot-eyes-arranged-four-and-four-in-two-lines-nearly-parallel-and-separated-by-nearly-equal-intervals-the-inaxilue-long-narrow-and-dilated-only-at-the-upper-end-and-the-chelicerae-are-very-long-especially-in-the-males-the-web-is-verticalt-extensa-walck-linn-epeira-walck-has-the-two-eyes-on-each-side-close-together-and-the-four-middle-ones-forming-a-square-the-maxillae-are-dilated-from-the-base-and-form-a-rounded-palette-e-cucurbitina-is-the-only-kn-PFN92Y.jpg ". Cuvier's animal kingdom : arranged according to its organization. Animals. PULMONARIA. 461 Tetragnatha, Latr., has the" eyes arranged, four and four, in two lines nearly parallel, and separated by nearly equal intervals ; the inaxilUe long-, narrow, and dilated only at the upper end, and the chelicerae are very long, especially in the males : the web is verticalâT. extensa, Walck., Linn. Epeira, Walck., has the two eyes on each side close together, and the four middle ones forming a square. The maxillae are dilated from the base, and form a rounded palette. E. cucurbitina is the only kn Stock Photo")
RMPFN92Y–. Cuvier's animal kingdom : arranged according to its organization. Animals. PULMONARIA. 461 Tetragnatha, Latr., has the" eyes arranged, four and four, in two lines nearly parallel, and separated by nearly equal intervals ; the inaxilUe long-, narrow, and dilated only at the upper end, and the chelicerae are very long, especially in the males : the web is verticalâT. extensa, Walck., Linn. Epeira, Walck., has the two eyes on each side close together, and the four middle ones forming a square. The maxillae are dilated from the base, and form a rounded palette. E. cucurbitina is the only kn
RMRYEHJK–Elementary lessons on insects elementarylesson00need Year: 1928 Ventral aspect of labium B - Dorsal side of maxilla Fig. 3.—The mouthparts of stonefly nymph. Figures A and B represent the head divided hori- zontally through the esophagus e, and both halves exposed from within: /, labrum or upper lip: tn, mandibles; mx, maxillae; Ir, labium or lower lip; h, hypopharynx, or tongue. Figures C, D, and E represent these parts, detached. The thorax is composed of tnree segments, each of which bears a pair of legs. Insects proper are called Hexapods
RM2JFDF14–A column of Matabele or Hissing Ants has made a raid on a termite colony and return to their bivouac with their prey. They are formidable predators
RM2AX4J72–The etiology of osseous deformities of the head, face, jaws and teeth . spids have noterupted, while upon the left side the bicuspid is just comingthrough; on this side the alveolar process is lengthening.The same is true in No. 22, but on the reverse side. This ismore marked in Nos. 32, 33 and 35. The temporary teeth,however, remain in the last three cases. The depth of vaultis also governed by the angle of the jaw. Thus, if from 90 ETIOLOGY OF OSSEOUS DEFORMITIES OF inherited constitutional disease, such as consumption, syphilis,etc., arrest of development of the maxillae should ensue, thean
RMPG0R08–. A manual of zoology. ?44 MANUAL OF ZOOLOGY usually not developed in the males, are biting or piercing organs, while the basal parts of the labium form a proboscis enclosing a sharp spine developed from a process on the roof of the mouth {hyfopharynx). In the Lepidoptera, or butterflies and moths, the mandi- bles are aborted in the adult and the maxillae are developed into elongated half-tubes, which are united and form a com- plete tube capable of being coiled up in a spiral manner under the head, the extremity in some cases being provided with hooks or spines for rupturing the nectaries of
![Elementary entomology elementaryentomo00sand Year: [c1912] FIG. 17. Cross section of proboscis of cotton-worm moth, showing concave inner faces of maxillae locked together to form the sucking tube (After Comstock) ItlX i n A FIG. 18. Mouth-parts of female mosquito (Culexpipiens) A, dorsal aspect; B, transverse section; C, tip of maxilla; D, tip of labrum-epipharynx; a, antenna; e, compound eye; /;, hypopharynx; /, labrum-epipharynx; //, labium; m'c, maxilla ; m, mandible ; /, maxillary palpus. (After Folsom and Dimock) Stock Photo](https://c8.alamy.com/comp/RYF4J3/elementary-entomology-elementaryentomo00sand-year-c1912-fig-17-cross-section-of-proboscis-of-cotton-worm-moth-showing-concave-inner-faces-of-maxillae-locked-together-to-form-the-sucking-tube-after-comstock-itlx-i-n-a-fig-18-mouth-parts-of-female-mosquito-culexpipiens-a-dorsal-aspect-b-transverse-section-c-tip-of-maxilla-d-tip-of-labrum-epipharynx-a-antenna-e-compound-eye-hypopharynx-labrum-epipharynx-labium-mc-maxilla-m-mandible-maxillary-palpus-after-folsom-and-dimock-RYF4J3.jpg "Elementary entomology elementaryentomo00sand Year: [c1912] FIG. 17. Cross section of proboscis of cotton-worm moth, showing concave inner faces of maxillae locked together to form the sucking tube (After Comstock) ItlX i n A FIG. 18. Mouth-parts of female mosquito (Culexpipiens) A, dorsal aspect; B, transverse section; C, tip of maxilla; D, tip of labrum-epipharynx; a, antenna; e, compound eye; /;, hypopharynx; /, labrum-epipharynx; //, labium; m'c, maxilla ; m, mandible ; /, maxillary palpus. (After Folsom and Dimock) Stock Photo")
RMRYF4J3–Elementary entomology elementaryentomo00sand Year: [c1912] FIG. 17. Cross section of proboscis of cotton-worm moth, showing concave inner faces of maxillae locked together to form the sucking tube (After Comstock) ItlX i n A FIG. 18. Mouth-parts of female mosquito (Culexpipiens) A, dorsal aspect; B, transverse section; C, tip of maxilla; D, tip of labrum-epipharynx; a, antenna; e, compound eye; /;, hypopharynx; /, labrum-epipharynx; //, labium; m'c, maxilla ; m, mandible ; /, maxillary palpus. (After Folsom and Dimock)
RM2JFDF0T–A column of Matabele or Hissing Ants has made a raid on a termite colony and return to their bivouac with their prey. They are formidable predators
RM2AG5447–. The science and practice of dental surgery. relacrimal duct. During the fifth weekthe mandibular pro-cesses unite ventrally toform the mandibulararch, and a week later process are formed the central portions of thepre-maxillae (endognathia), or that portioncarrying the central incisor teeth, a correspond-ing portion of the upperlip, and the septum andbridge of the nose. Fromeach lateral nasal processare formed tlie lateral por-tion of the pre-maxilla(mesognathion), or that por-tion carrying the lateralincisor tooth, a correspond-ing portion of the upperlip (except its free margin),and the al
RMPG03H5–. Beekeeping; a discussion of the life of the honeybee and of the production of honey. Bees; Honey. The Life of the Individual 97 second day, a thickening appears on the convex side, and, on the anterior end (larger end) of the egg, the first indica- tions of the future appendages are soon visible (Fig. 51, a and b). These consist of the rudiments of the antennae (Ant) and mouth parts (mandible, Md and maxillae, IMx, SMx) on the head and of the three pairs of legs {IL, 2L, SL) on the thorax. These rudiments are simply sUghtly rounded swellings which are at first smaller toward the posterior en
RMRWTK52–Elementary text-book of zoology, tr Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote elementarytextbo01clau Year: 1892-1893 INSECTA—JAWS. 523 lobed, or crooked. In the last case the first or second joint is elon- gated forming the shaft, to which the distal and shorter joints are attached at an angle as the flagellum (Apis}. The following structures enter into the formation of the mouth parts:—the upper lip (labruni), the upper jaws (mandibles), the first pair of maxillfe or lower jaws, the second pair of maxillae or lower lip (labium). The
RM2JFDEYN–A column of Matabele or Hissing Ants has made a raid on a termite colony and return to their bivouac with their prey. They are formidable predators.
RM2AJEYN7–Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . d probably-sensory in function. On the hinder surface of the head, below theoccipital foramen, is the labium, which representsthe second pair of maxillae, fused together in theirbasal half, but retaining elsewhere sufficient resem-blance to the less-modified anterior pair to permit ofthe identification of its component parts. The palpis three-jointed, and carried upon a separate basal side, and two ventral. The peculiar shape of thelateral and ventral plates may be seen in fig. 63.
RMPG4AB6–. Injurious and useful insects; an introduction to the study of economic entomology. Insects; Beneficial insects; Insect pests. The hive-bee 8s Lbr Mn trunk.* When the bee explores a deep flower^tube, the proboscis is fully extended. Supported at its base by the maxillae and labial palps, it is firm enough for penetration into a narrow space, while its split tube, completed by the sheathing parts, renders it effective in sucking. When no longer in action, the proboscis can be retracted and folded like a carriage-step. Thus folded, it is completely hidden from view in a cavity behind the head.
![Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 Fig. abd4â abd3- mx I ma abd' 79.âIsotoma. Longitudinal section, {abd) Abdominal rudiments, {do) Dorsal organ, {hi) Head lobe, {md) Mandible, (mx) Maxillae. evident. The stomodaeum, which made its appearance a short time before, has lengthened, the apex of the invagination reaching the yolk (Fig. 80), the inner layer being absent at this point. Both in front of and behind the stomodaeum Stock Photo](https://c8.alamy.com/comp/RWRB7R/embryology-of-insects-and-myriapods-embryology-of-insects-and-myriapods-the-developmental-history-of-insects-centipedes-and-millepedes-from-egg-desposition-!-to-hatching-embryologyofinse00joha-year-1941-fig-abd4-abd3-mx-i-ma-abd-79isotoma-longitudinal-section-abd-abdominal-rudiments-do-dorsal-organ-hi-head-lobe-md-mandible-mx-maxillae-evident-the-stomodaeum-which-made-its-appearance-a-short-time-before-has-lengthened-the-apex-of-the-invagination-reaching-the-yolk-fig-80-the-inner-layer-being-absent-at-this-point-both-in-front-of-and-behind-the-stomodaeum-RWRB7R.jpg "Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 Fig. abd4â abd3- mx I ma abd' 79.âIsotoma. Longitudinal section, {abd) Abdominal rudiments, {do) Dorsal organ, {hi) Head lobe, {md) Mandible, (mx) Maxillae. evident. The stomodaeum, which made its appearance a short time before, has lengthened, the apex of the invagination reaching the yolk (Fig. 80), the inner layer being absent at this point. Both in front of and behind the stomodaeum Stock Photo")
RMRWRB7R–Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 Fig. abd4â abd3- mx I ma abd' 79.âIsotoma. Longitudinal section, {abd) Abdominal rudiments, {do) Dorsal organ, {hi) Head lobe, {md) Mandible, (mx) Maxillae. evident. The stomodaeum, which made its appearance a short time before, has lengthened, the apex of the invagination reaching the yolk (Fig. 80), the inner layer being absent at this point. Both in front of and behind the stomodaeum
RM2KWGD5E–The iridescent wing tips of the Purple Tip butterfly is distinctive. They are a common butterfly of grasslands and open savanna in East Africa.
RM2AWDHP3–Text-book of comparative anatomy . all these varioiisly transformed mouth parts ofthe Hexapoda to 3 pairs of oral limbs (mandibles, and anterior andposterior maxilla) is one of the greatest achievements of comparativeanatomy. We can only take into consideration the principal forms ofthese oral limbs. The mouth parts of the Orthopfera form the beststarting-point in our revieAV, because in them the composition of thelower lip (labium) of 2 lateral pieces (posterior maxillae) is mostevident. The whole apparatus (Fig. 303) is as follows. 446 COMPARA TIVE A XA TOMY CHAP. 1. The upper lip (labrum Ib
RMPG03H7–. Beekeeping; a discussion of the life of the honeybee and of the production of honey. Bees; Honey. 100 Beekeeping The nervous system is now well organized, consisting of the brain and a chain of gangUa arranged segmentally. The second maxillae fuse to form the lower Up {Lb). Larval development. At the end of about three days of embryonic development, the embryo breaks the chorion and becomes a young larva. Dining the larval period the most striking feature is the enormous growth of the animal. The illustration on page 40 (Fig. 35) shows an egg, a relatively young larva, a fully grown larva an
RMT22NFJ–Archive image from page 96 of Diptera danica genera and Diptera danica : genera and species of flies hitherto found in Denmark dipteradanicagen01lund Year: 1907 Coenoniyiidae. 83 joint longer than the second, the rest forming an annulated, pointed c'omplex. Eyes hairy, touching in the male, somewhat separated in the female. Clypeus not separate from the epistoma; proboscis rather short, labrum semitubular, of the length of the labium; hypopharynx more slender; the maxillæ have a long. pointed lacinia, and palpi that are somewhat larger in the female than in the male; the labelia are broad,
RM2JFDF0Y–A column of Matabele or Hissing Ants sets out on a raid seeking a termite colony and return to their bivouac with their prey.
RM2AWCRR0–The anatomical record . Fig. 11 . transverse section through the vomero-nasal organ of the frogshowing the relation of the superior, middle and inferior na.sal cavities and thedistribution of the vomero-nasul and olfactory mucosa. X 2.i. Fig. 12 . tnmsverse section tlirough the middle of the principal nasul cavityof the frog showing distribution of olfactory mucosa and thejrelation of vomero-nasal and olfnctorv nerves. X 2..5. margins follow closely the curvature of the maxillae. It con-sists of two parts, the ri^iiht and the left nasal fossae. l>achfossa comnumicates with the exterior by
RMPG0R0G–. A manual of zoology. 242 MANUAL OF ZOOLOGY. consists of three segments, which are usually firmly united together. The abdomen contains from ten to eleven seg- ments. The appendages are also very constant in their arrange- ment throughout the Insecta, though variously modified in form in the different orders, ,3en' in accordance with differ- ences in mode of life. The head (Fig. 141) bears a pair of antennae, a pair of mandibles, and two pairs of maxillae. The antennae vary a good deal in size and shape in different insects. The mandibles (Fig. 142, md) lie at the Fig. i4t.-Periplanetaamerica
RMT23C63–Archive image from page 92 of Diptera Danica genera and species Diptera Danica: genera and species of flies hitherto found in Denmark dipteradanicage01lund Year: 1907 Coenoniyiidae. 83 joint longer than the second, the rest forming an annulated. pointed complex. Eyes hairy, touching in the male, somewhat separated in the female. Clypeus not separate from the epistoma; proboscis rather short, labrum semitubular. of the length of the labium; Iiypopharynx more slender; the maxillae have a long, pointed lacinia, and palpi that are somewhat larger in the female than in the male; the labella are b
RM2K3JWJN–The Black-banded Veld Antlion is one of the larger members of the family with distinctive black bands on the wings. The adults tend to be nocturnal
![Manual of dental surgery and pathology . eem to be a tendency to proliferation (but yetnot a fully completed formation of distinct sacs and teeth inthese cases) somewhat similar to the development of the threemolars.] 3. Irregularity as regards number. We have spoken of super-numerary teeth in the last section ; they may be found iti con-siderable number, even to four or Ave in the same mouth, andupon almost all portions of the alveolar and palatal processes ofthe maxillae; we recently saw one, discovered lying horizontallybetween the articulations of the latter processes, the crownpointing ba Stock Photo](https://c8.alamy.com/comp/2AWG3AB/manual-of-dental-surgery-and-pathology-eem-to-be-a-tendency-to-proliferation-but-yetnot-a-fully-completed-formation-of-distinct-sacs-and-teeth-inthese-cases-somewhat-similar-to-the-development-of-the-threemolars-3-irregularity-as-regards-number-we-have-spoken-of-super-numerary-teeth-in-the-last-section-they-may-be-found-iti-con-siderable-number-even-to-four-or-ave-in-the-same-mouth-andupon-almost-all-portions-of-the-alveolar-and-palatal-processes-ofthe-maxillae-we-recently-saw-one-discovered-lying-horizontallybetween-the-articulations-of-the-latter-processes-the-crownpointing-ba-2AWG3AB.jpg "Manual of dental surgery and pathology . eem to be a tendency to proliferation (but yetnot a fully completed formation of distinct sacs and teeth inthese cases) somewhat similar to the development of the threemolars.] 3. Irregularity as regards number. We have spoken of super-numerary teeth in the last section ; they may be found iti con-siderable number, even to four or Ave in the same mouth, andupon almost all portions of the alveolar and palatal processes ofthe maxillae; we recently saw one, discovered lying horizontallybetween the articulations of the latter processes, the crownpointing ba Stock Photo")
RM2AWG3AB–Manual of dental surgery and pathology . eem to be a tendency to proliferation (but yetnot a fully completed formation of distinct sacs and teeth inthese cases) somewhat similar to the development of the threemolars.] 3. Irregularity as regards number. We have spoken of super-numerary teeth in the last section ; they may be found iti con-siderable number, even to four or Ave in the same mouth, andupon almost all portions of the alveolar and palatal processes ofthe maxillae; we recently saw one, discovered lying horizontallybetween the articulations of the latter processes, the crownpointing ba
![. Animal activities; a first book in zoo?logy. Zoology; Animal behavior. Fig. 6i.—Side View of Proboscis, partly opened. l>. basal division; c, central division; /, labella; m, maxillary palpi. -<r-. FlG. 62 -Head of Bluebottle, a. antennae; «•, eyes; m, maxillae; p, proboscis (magnified).. 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.. French, Nathaniel Stowers, 1854-. New York [etc. etc. ] Longmans, Green and Co Stock Photo](https://c8.alamy.com/comp/PG0AC3/animal-activities-a-first-book-in-zoology-zoology-animal-behavior-fig-6iside-view-of-proboscis-partly-opened-lgt-basal-division-c-central-division-labella-m-maxillary-palpi-ltr-flg-62-head-of-bluebottle-a-antennae-eyes-m-maxillae-p-proboscis-magnified-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-french-nathaniel-stowers-1854-new-york-etc-etc-longmans-green-and-co-PG0AC3.jpg ". Animal activities; a first book in zoo?logy. Zoology; Animal behavior. Fig. 6i.—Side View of Proboscis, partly opened. l>. basal division; c, central division; /, labella; m, maxillary palpi. -<r-. FlG. 62 -Head of Bluebottle, a. antennae; «•, eyes; m, maxillae; p, proboscis (magnified).. 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.. French, Nathaniel Stowers, 1854-. New York [etc. etc. ] Longmans, Green and Co Stock Photo")
RMPG0AC3–. Animal activities; a first book in zoo?logy. Zoology; Animal behavior. Fig. 6i.—Side View of Proboscis, partly opened. l>. basal division; c, central division; /, labella; m, maxillary palpi. -<r-. FlG. 62 -Head of Bluebottle, a. antennae; «•, eyes; m, maxillae; p, proboscis (magnified).. 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.. French, Nathaniel Stowers, 1854-. New York [etc. etc. ] Longmans, Green and Co
RMRWXF7H–Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 HYMENOPTERA. 591 moveable head with large facetted eyes which in the male are almost in contact, and three ocelli (tig. 486). In the antennae a large basal joint (shaft) and eleven to twelve shorter joints can usually be distinguished, or they are not crooked, in which case they consist of a greater number of joints. The mouth parts are biting and licking: the upper lip and man- dibles are constructed as in beetles and Orthoptera; the maxillae and labium. on the other hand, are elongated
RM2JM1EC9–Despite a formidable appearance the Armoured Ground Cricket is a sluggish and harmless insect. Variable in colour they squirt blood from the thorax
RM2AXJ3B0–Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . Fig. 58. out, with the rudiments of the limbs and mouth-parts ; and thesternites, or ventral walls, of the thorax and of the two basalrings of the head appear. The anterior part of the head, in-cluding the so-called procephalic lobes overhangs and con- FiG. 57. Side view of embryo. The procephalic lobes are not shown. 1, antennae;8, mandibles; 3, maxillae; 4, second nia.xillK (labium); &-7, legs. These numbereand letters are the same in all the fi
RMPFWRE8–. A manual for the study of insects. Insects. LEI^/DOPTERA. 193 tube, which when not in use is coiled on the lower side of the head between two forward-projecting appendages. This long sucking tube is composed of the two maxillae, greatly elongated, and fastened together side by side. In Figure 232 there is represented a side view of the maxillae of a moth; and in Figure 233 a cross-section of these organs. Each. Fig. 233.—Cross-section of maxillas. maxilla is furnished with a groove, and the two maxillae are so fastened together that the two grooves form a tube through which the liquid food i
RMRWX2CT–Elementary text-book of zoology, tr Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote elementarytextbo01clau Year: 1892-1893 554 INSECTA. forms of the insects. The head bears tolerably long setiform an tenna?, and, as a rule, aggregated ocelli, in place of the facetted eyes. The mouth-parts consist of mandibles and maxillae, which can be retracted into a sort of atrium. In this case an apparatus for attachment with gland is often present on the ventral side of the first abdominal segment. Tracheae are completely absent in many Colkmbola (Pod
RM2JM1EC4–Despite a formidable appearance the Armoured Ground Cricket is a sluggish and harmless insect. Variable in colour they squirt blood from the thorax
RM2AFXM44–. The science and practice of dental surgery. Fig. 929.—Angles Fracture Bands.(AuGliE : Malocclusion of the Teeth and Fracture of the Maxillae.) other operators, and with modern antisepticmethods it is likely that the disadvantagesattendant upon A^dring in former days mightbe avoided. In that case it certainly has manyadvantages over splints. Successful cases arerecorded by Marshall (10). A metliod of comparatively recent intro-duction is that of E. H. Angle (2), and it hasbeen successfully employed in the United Statesand in Europe (see Fig. 929). Small Germansilver bands with a very small sc
RMPFEBC3–. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena. !r^SuccJ. IAX2 Entwicklungsgeschichte des Kopfes und des Blutgefässsystems von Ceratodus forsteri. 772 welche eine von lockerem Bindegewebe ausgefüllte Vorwölbung der Schleimhaut begrenzt. Der Meckel'cIic Knorpel (33) ist an seiner breitesten Stelle am Ansätze der Kaumusculatur (32, Processus praeglenoidalis) durchschnitten, welcher von Seiten des Temporaiis auch am vortretenden Angulare (31) erfolgt. An der Aussenseite wird die Kaumusculatur vom Nervus maxillae inferioris des Trigeminus (20) gekreuzt, über welchem d
RMT231HX–Archive image from page 69 of Diptera Danica genera and species Diptera Danica: genera and species of flies hitherto found in Denmark dipteradanicage01lund Year: 1907 60 Orthoirbapha Jirachycera. clypeus short; proboscis very short; labrimi and hypopharynx short and small, the first semitubular, the latter rudimentary; the labella broad, protruding somewhat forwards, generally of whitish colour; when spread out they form a disc: there are only small basal pieces of the maxillae and small, one-jointed or indistinctly two-jointed maxillary palpi. Thorax is longish, broadest behind; scutellum w
RM2JRAFKW–Pond Skaters skim across the surface of the water without breaking the meniscus. Their sensitive feelers detect movements of prey on the water
RM2AJ0X3W–Lectures on the comparative anatomy and physiology of the invertebrate animals : delivered at the Royal College of Surgeons . divided by the mandibles and maxillae, andrepresent, in fact, a third pair of lateral jaws. The lower lip has abasal joint {mentiim), supporting a more flexible part (ligula, orlabium proper), near to the base of which the palpi are articulated.The upper, or inner integument of the ligula, is usually developedinto a kind of tongue, which is a distinct part {lingua) in the lo-custs and Libellulae. The labrum, or upper lip, is generally a simpletransverse flattened plate.
RMPG1K26–. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. 14 INSECT LIFE. eral parts. Leave the maxillae attached to the head till later. 4. Remove the head of the locust and pin it with the hinder side uppermost to a piece of cork or block of wood. 5. With the head in this position the flaplike lower lip or labium (la'bi-uni) can be easily seen. Like the maxillas, the labium consists of several parts. 6. Lift the free end of the labium with a pin and observe the tonguelike organ which arises from the
RMT22J9D–Archive image from page 19 of Diptera Danica genera and species Diptera Danica: genera and species of flies hitherto found in Denmark dipteradanicage04lund Year: 1907 12 Pipunculidae. stretching beyond the oral aperture; labrum and hypopharynx are small, of about aqual length, somewhat triangular, the maxillary palpi somewhat long, one-jointed and club-shaped; the maxillae are by Becher described and figured as lancet-like, a little longer than labrum and pointed, I was not able to fmd them and I doubt their existence as free processes; labium is relatively not small, its chitinized ventral
RM2K19BE6–Towards the end of the rainy season these large terrestrial Armoured ground Crickets seem to appear from nowhere. They are voracious eaters
RM2AX0JWN–The etiology of osseous deformities of the head, face, jaws and teeth . Fig. 186.. Fig. ixi. When the diameter of the upper arch is greater than that ofthe lower, its laterals may be found within the line of thecentrals and cuspids. In this case the lower incisors musteither strike over the upper, which occurs when there is aproper relation of diameters of upper and lower maxillae, orelse they may strike behind the upper laterals, which canoccur only when the upper arch has a greater diameter thanthe lower. THE HEAD, FACE, JAWS AND TEETH 441 6. A rotation of 90°, so that the lateral is at rio^
RMPFYGP9–. Fresh-water biology. Freshwater biology. 792 FRESH-WATER BIOLOGY forms a thin membrane, reenforced by a pair of vety strong chitinous rods, each expanded into a transverse plate armed at their extremi- ties with a series of about seven strong teeth. Posteriorly the lip joins a sternumlike vaulted plate, carinated along the middle, and placed between the bases of the first pair of maxillae. J'irst antenjujLC Second antenruie Eye Branchial Plate of Mandible j Stomach ^.Food balls. Branchial eetae Intesivne Ovary Mandibular palp Natatory setae Labrum Second foot Furca Dorsal seta -Sub-termina
RMT231XF–Archive image from page 73 of Diptera danica genera and Diptera danica : genera and species of flies hitherto found in Denmark dipteradanicagen01lund Year: 1907 60 Orthoirhaplia hrachycera. clypeus sliort; prol)Oscis very shoit; laJjrum aiici hypopharynx short and small, the first semitubular, the latter rudiinontary: the laliella lii'oad, protnidiiig somowhat forwards, generally of wliitish colour; when spread out they form a disc: there are only small basal pieces of the maxillæ and small, one-jointed or indistinctly Iwo-jointed maxiilary palpi. Tliorax is longisli, broadest behind; scute
RM2K19BET–Towards the end of the rainy season these large terrestrial Armoured ground Crickets seem to appear from nowhere. They are voracious eaters
RM2AJ1E0W–Entomology : with special reference to its biological and economic aspects . Mouth parts of a hemipteron, Bcnacus griscus. A, dorsal aspect; B, transverse sec-tion; C, extremity of mandible; D, transverse section of mandibles and maxillae; c,canal; I, labrum; li, labium; m, mandible; mx, maxillse. Lepidoptera.—In Lepidoptera. excepting Erioccpliakt, thelabrum is reduced (Fig. 51) and the mandibles are either rudi-mentary or absent (Rhopalocera ). The two maxilhe are rep-resented by their galeae, which form a conspicuous proboscis;the grooved inner faces of the galeae (or lacinicT, according to
RMPFEBBR–. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena. 1440 Entwicklungsgeschichte des Kopfes und des Blutgefässsystems von Ceratodus forsteri. 780 o-ebiete (Kiemendeckel) die Vena hyoidea lateralis nach Ueberkreuzung des Nervus maxillae inferioris ein- mündet. Ueber dem Rande der ersten Schlundtasche (56) divergiren die Aeste des complexen Nervus hyomandi- bularis des Facialis, der Nervus vrn.1, mandibularis externus (26, Textfig. 584/62) nach vorn und ventral, der Nervus hyomandibularis (vergl. Textfig. 584/66) s. st. ventralwärts, der Nervus mandibularis internus (Tex
![Elementary entomology elementaryentomo00sand Year: [c1912] md FIG. 15. Mouth-parts of the squash-bug lab, labium, forming a sheath for the other parts ; Ibr, labrum, fitting into the lower part of the suture of the labium ; md, mandible ; w.v, max- illa. Mandibles and maxillae pulled out of labium FIG. 16. Side view of head of butterfly, with part of antennae (a) removed, showing mouth-parts mx, maxillae ; /, labial palpus grasshopper is a fleshy, tonguelike organ, but in some orders it is quite differently developed. The salivary glands open near its attachment. Suctorial type of mouth-p Stock Photo](https://c8.alamy.com/comp/RYEKEX/elementary-entomology-elementaryentomo00sand-year-c1912-md-fig-15-mouth-parts-of-the-squash-bug-lab-labium-forming-a-sheath-for-the-other-parts-ibr-labrum-fitting-into-the-lower-part-of-the-suture-of-the-labium-md-mandible-wv-max-illa-mandibles-and-maxillae-pulled-out-of-labium-fig-16-side-view-of-head-of-butterfly-with-part-of-antennae-a-removed-showing-mouth-parts-mx-maxillae-labial-palpus-grasshopper-is-a-fleshy-tonguelike-organ-but-in-some-orders-it-is-quite-differently-developed-the-salivary-glands-open-near-its-attachment-suctorial-type-of-mouth-p-RYEKEX.jpg "Elementary entomology elementaryentomo00sand Year: [c1912] md FIG. 15. Mouth-parts of the squash-bug lab, labium, forming a sheath for the other parts ; Ibr, labrum, fitting into the lower part of the suture of the labium ; md, mandible ; w.v, max- illa. Mandibles and maxillae pulled out of labium FIG. 16. Side view of head of butterfly, with part of antennae (a) removed, showing mouth-parts mx, maxillae ; /, labial palpus grasshopper is a fleshy, tonguelike organ, but in some orders it is quite differently developed. The salivary glands open near its attachment. Suctorial type of mouth-p Stock Photo")
RMRYEKEX–Elementary entomology elementaryentomo00sand Year: [c1912] md FIG. 15. Mouth-parts of the squash-bug lab, labium, forming a sheath for the other parts ; Ibr, labrum, fitting into the lower part of the suture of the labium ; md, mandible ; w.v, max- illa. Mandibles and maxillae pulled out of labium FIG. 16. Side view of head of butterfly, with part of antennae (a) removed, showing mouth-parts mx, maxillae ; /, labial palpus grasshopper is a fleshy, tonguelike organ, but in some orders it is quite differently developed. The salivary glands open near its attachment. Suctorial type of mouth-p
RM2K1892G–During the rains countless worker Harvester Ants scour the veld collecting grass seeds. The food is stored for the dry season during inactivity
RM2AFNBKA–. Coleoptera : general introduction and Cicindelidae and Paussidae. llioti (natural size). Fig. 86. — Tetropium gahrieli. Larva X Si ; pupa X ^| (afterCrawshay). Mr. Gahan divides the family into the Pbioninje, which havethe inner lobe of the maxillae obsolete or very small, and theDisteniin.e, Lepxurin.e, and Oeeambycin^e, which have it welldeveloped. Full particulars of these divisions and their sub-divisions will be found in Mr. Gahans work {I. c. pp. 2-4et seqq.). The genus Parandra (which is not represented in the Indian „fauna) ought, apparently, to form at least a separate subfamily, as
RMPFJ14Y–. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. go COPEPODA has 4 Sp and i Sa but no spinulation anteriorly; the Ri I has 3 Sa + i Sp, the Ri II has 3 Sa + i Sp and the Ri III 5 S. The exopodite has 11 setae, and the Le has 7 long + 2 shorter ones. The maxillae are very characteristic by the strongly and suddenly convex outer margin of the basipodite, with a short concavity in the middle (text-fig. 22 b); the lobe I possesses a quite rudimentary spinelike Sp. i and a Sp. 2, which it about twice as long as the lobe itself; the strong spi
RMRWR953–Elementary studies in insect life Elementary studies in insect life elementarystudie00hunt Year: 1902 FORM' -VXD FUNCTION 259 107.) The labium removed, carefully pry apart the two maxillae, endeavoring to obtain the full basal portion. With the aid of a small hand-lens, the following parts may be made out: Lacinia.—A curved and toothed part, somewhat like the mandibles. (Fig. 169, Le.) Galea.— Lying laterad or outside of the lacinia is the spoon-shaped galea. The galea is composed of two seg- ments. (Fig. 196, gl.Y Palpus.—Arising from the basis of the galea is the long five-jointed palpus, o
RM2K0M8XK–Leaf Katydids are excellent leaf mimics and spend most of their time in tree canopy browsing the foliage. Their nymphs are ant mimics
RM2AJEHA1–Structure and classification of insects . HEAD OF THE BEE. The Os, or Mouth, of the insect is provided withBeven ordinary organs, differently modified in the twogreat divisions of masticators^ or chewing insects, andsuckers^ or sucking insects. These are, 1st, the upperlip (labrum) ; 2d, the lower lip (labium); 3d, labial andother palpi, or feelers ; 4th, the upper jaws (mandibles);5th, under jaws (maxillae); 6th, the tongue (lingua);and, 7th, the pharynx.. a, Jaw of Bombus—nest digging bee.5, do. Nomada—parasite bee. , or upper lip, is a movable organ. 1st. The labrumfastened to the upper par
RMPFXYKW–. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. str Pro. 91. Bio. 92. Cephalothorax and Parts thereof. Fig. 91. Crs, corselet; eg, corselet grooves; fs, median fosse; ba, base of corselet; ind, indentation thereof; cap, caput; mg, margin of corselet; c.su, cephalic suture ; es, eye space ; o.q, ocular quad. Fig. 92. Ster- num and mouth parts. Str, sternum; s.co, sternal cones; ba, base of sternum ; ap, apex of same ; lab, labium; mi, maxillae.. Please note that these images
RMRWTK17–Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 C1IILOPODA. 519 eyes. There are always two pairs of jaws (fig. 425) ; the mandibles (Md) and one pair of maxillae (Mx1), the latter bearing a short palp. In addition, the first pair of (thoracic) legs (Mx'} forms a kind of tmderlip which often, bears two long palps. The next pair of legs always approaches the head as a kind of maxilliped, and forms by the growing together of its basal parts a consider- able median plate, on the right and left of which great, four-jointed poison claws (Mf
RM2K18933–During the rains countless worker Harvester Ants scour the veld collecting grass seeds. The food is stored for the dry season but during inactivity
RM2AM0YTT–Modern surgery, general and operative . as a rule, in the superior maxillae. The hjqaertrophy progress-ively increases, causes difficulty of mastication, and is accompanied by head-ache. It produces distinct deformity of the jaw like a tumor, whereas acro-megaly enlarges all of the proportions of a bone (Fig. 257). It may produceblindness, new bone pressing upon the optic nerves. Treatment is very unsat-isfactory. Horsley has obtained some degree of amelioration by operating andremoving masses of bone. Osteitis Deformans {Pagefs Disease) (Fig. 258).—This disease was firstdescribed by Paget in
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