Sea Urchin Lytechinus variegatus with shells and a beer bottle cap or top attached to it Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-sea-urchin-lytechinus-variegatus-with-shells-and-a-beer-bottle-cap-24500429.html
RMBBT2F9–Sea Urchin Lytechinus variegatus with shells and a beer bottle cap or top attached to it
Sea Urchin, Lytechinus variegatus, with debris attached to it. Photographed in the Lake Worth Lagoon, Singer Island, Florida Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-sea-urchin-lytechinus-variegatus-with-debris-attached-to-it-photographed-38453076.html
RMC6FK84–Sea Urchin, Lytechinus variegatus, with debris attached to it. Photographed in the Lake Worth Lagoon, Singer Island, Florida
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61648046.html
RFDG88KX–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
Underwater marine life, Lytechinus variegatus commonly called green sea urchin or variegated sea urchin, Caribbean sea Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-underwater-marine-life-lytechinus-variegatus-commonly-called-green-84638111.html
RFEWKGNK–Underwater marine life, Lytechinus variegatus commonly called green sea urchin or variegated sea urchin, Caribbean sea
A Green Sea Urchin (Lytechinus variegatus) from Ilhabela, SE Brazil coast Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-green-sea-urchin-lytechinus-variegatus-from-ilhabela-se-brazil-coast-image343017511.html
RM2AX1P9B–A Green Sea Urchin (Lytechinus variegatus) from Ilhabela, SE Brazil coast
A close look at the spines and tube feet of the variegated urchin, Lytechinus variegatus, also referred to as the green sea urchin, although the color Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-close-look-at-the-spines-and-tube-feet-of-the-variegated-urchin-lytechinus-variegatus-also-referred-to-as-the-green-sea-urchin-although-the-color-image460565647.html
RM2HN8G53–A close look at the spines and tube feet of the variegated urchin, Lytechinus variegatus, also referred to as the green sea urchin, although the color
Variegated sea urchin (Lytechinus variegatus) is a sea urchin native to worms waters of western Atlantic Ocean. This photo was taken in Paraty coast, Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/variegated-sea-urchin-lytechinus-variegatus-is-a-sea-urchin-native-to-worms-waters-of-western-atlantic-ocean-this-photo-was-taken-in-paraty-coast-image575964148.html
RF2TD1C44–Variegated sea urchin (Lytechinus variegatus) is a sea urchin native to worms waters of western Atlantic Ocean. This photo was taken in Paraty coast,
RMT00J3D–Spanish slipper lobster (Scyllarides aequinoctialis) with sea urchin Lytechinus variegatus
Purple sea urchin, Lytechinus variegatus in water, beach on Mauritius Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/purple-sea-urchin-lytechinus-variegatus-in-water-beach-on-mauritius-image561684148.html
RM2RHPWT4–Purple sea urchin, Lytechinus variegatus in water, beach on Mauritius
Variegated urchin, Atlantic Ocean, off Florida Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/variegated-urchin-atlantic-ocean-off-florida-image1335738.html
RMAM61BB–Variegated urchin, Atlantic Ocean, off Florida
Purple Sea Urchin Lytechinus variegatus in Bermuda North Atlantic Ocean Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/purple-sea-urchin-lytechinus-variegatus-in-bermuda-north-atlantic-image3935966.html
RMA8BXDF–Purple Sea Urchin Lytechinus variegatus in Bermuda North Atlantic Ocean
Collection of Florida Shells Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-collection-of-florida-shells-87122570.html
RMF1MNMA–Collection of Florida Shells
Boy holding a live variegated urchin Lytechinus variegatus on a beach Sanibel Island Florida Gulf Coast Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-boy-holding-a-live-variegated-urchin-lytechinus-variegatus-on-a-beach-18337879.html
RMB1RA47–Boy holding a live variegated urchin Lytechinus variegatus on a beach Sanibel Island Florida Gulf Coast
Smithsonian miscellaneous collections . 1-5, Arbacia crenulata Kier, New Species; 6, Arbacia improcera (Conrad) (see explanation of plates at end of text.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145. NO. 5, PLATE 2. 1-2, LYTECHINUS VARIEGATUS PLURITUBERCULATUS KlER, NEW SUBSPECIES;3, LYTECHINUS VARIEGATUS VARIEGATUS (LESKE) (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145. NO. 5. PLATE 3 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/smithsonian-miscellaneous-collections-1-5-arbacia-crenulata-kier-new-species-6-arbacia-improcera-conrad-see-explanation-of-plates-at-end-of-text-smithsonian-miscellaneous-collections-vol-145-no-5-plate-2-1-2-lytechinus-variegatus-plurituberculatus-kler-new-subspecies3-lytechinus-variegatus-variegatus-leske-see-explanation-of-plates-at-end-of-text-smithsonian-miscellaneous-collections-vol-145-no-5-plate-3-image342876140.html
RM2AWRA0C–Smithsonian miscellaneous collections . 1-5, Arbacia crenulata Kier, New Species; 6, Arbacia improcera (Conrad) (see explanation of plates at end of text.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145. NO. 5, PLATE 2. 1-2, LYTECHINUS VARIEGATUS PLURITUBERCULATUS KlER, NEW SUBSPECIES;3, LYTECHINUS VARIEGATUS VARIEGATUS (LESKE) (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145. NO. 5. PLATE 3
Sea Urchin, Lytechinus variegatus, with debris and garbage attached to it. Photographed in the Lake Worth Lagoon, Singer Island, Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-sea-urchin-lytechinus-variegatus-with-debris-and-garbage-attached-38453046.html
RMC6FK72–Sea Urchin, Lytechinus variegatus, with debris and garbage attached to it. Photographed in the Lake Worth Lagoon, Singer Island,
Underwater marine life, closeup of a green sea urchin, Lytechinus variegatus, Caribbean sea Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-underwater-marine-life-closeup-of-a-green-sea-urchin-lytechinus-variegatus-84638133.html
RFEWKGPD–Underwater marine life, closeup of a green sea urchin, Lytechinus variegatus, Caribbean sea
Sea Urchin (Lytechinus variegatus) with shells, beer bottle cap and newspaper attached to it. Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-sea-urchin-lytechinus-variegatus-with-shells-beer-bottle-cap-and-newspaper-30013951.html
RMBMR72R–Sea Urchin (Lytechinus variegatus) with shells, beer bottle cap and newspaper attached to it.
Variegated Urchin Lytechinus variegatus with debris Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/variegated-urchin-lytechinus-variegatus-with-debris-image1337295.html
RMAM67D0–Variegated Urchin Lytechinus variegatus with debris
Variegated sea urchin (Lytechinus variegatus) is a sea urchin native to worms waters of western Atlantic Ocean. This photo was taken in Paraty coast, Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/variegated-sea-urchin-lytechinus-variegatus-is-a-sea-urchin-native-to-worms-waters-of-western-atlantic-ocean-this-photo-was-taken-in-paraty-coast-image575964150.html
RF2TD1C46–Variegated sea urchin (Lytechinus variegatus) is a sea urchin native to worms waters of western Atlantic Ocean. This photo was taken in Paraty coast,
Variegated urchin, Atlantic Ocean, off Florida Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/variegated-urchin-atlantic-ocean-off-florida-image1335734.html
RMAM61B7–Variegated urchin, Atlantic Ocean, off Florida
Smithsonian miscellaneous collections . 1, Lytechinus variegatus plurituberculatus Kier, New Species;2, echinometra lucunter (linnaeus); 3, clypeaster sunn i lan dens is KlER, NEW SPECIES (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145, NO. 5, PLATE 4. 1-3. ECHINOMETRA LUCUNTER (LINNAEUS); 4, LYTECH1NUS VARIEGATUSPUURITUBERCULATUS KlER, NEW SUBSPECIES (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145. NO. 5. PLATE 5 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/smithsonian-miscellaneous-collections-1-lytechinus-variegatus-plurituberculatus-kier-new-species2-echinometra-lucunter-linnaeus-3-clypeaster-sunn-i-lan-dens-is-kler-new-species-see-explanation-of-plates-at-end-of-text-smithsonian-miscellaneous-collections-vol-145-no-5-plate-4-1-3-echinometra-lucunter-linnaeus-4-lytech1nus-variegatuspuurituberculatus-kler-new-subspecies-see-explanation-of-plates-at-end-of-text-smithsonian-miscellaneous-collections-vol-145-no-5-plate-5-image342875000.html
RM2AWR8FM–Smithsonian miscellaneous collections . 1, Lytechinus variegatus plurituberculatus Kier, New Species;2, echinometra lucunter (linnaeus); 3, clypeaster sunn i lan dens is KlER, NEW SPECIES (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145, NO. 5, PLATE 4. 1-3. ECHINOMETRA LUCUNTER (LINNAEUS); 4, LYTECH1NUS VARIEGATUSPUURITUBERCULATUS KlER, NEW SUBSPECIES (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145. NO. 5. PLATE 5
A variegated sea urchin or green sea urchin, Lytechinus variegatus, on the seabed in the Caribbean sea, Panama, Central America Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-a-variegated-sea-urchin-or-green-sea-urchin-lytechinus-variegatus-92860496.html
RFFB24E8–A variegated sea urchin or green sea urchin, Lytechinus variegatus, on the seabed in the Caribbean sea, Panama, Central America
Variegated Urchin Lytechinus variegatus with debris Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/variegated-urchin-lytechinus-variegatus-with-debris-image1337299.html
RMAM67D4–Variegated Urchin Lytechinus variegatus with debris
Green or Variegated sea urchin, Lytechinus variegatus Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/green-or-variegated-sea-urchin-lytechinus-variegatus-image376533151.html
RF2CTGFTF–Green or Variegated sea urchin, Lytechinus variegatus
Smithsonian miscellaneous collections . 1-2, LYTECHINUS VARIEGATUS PLURITUBERCULATUS KlER, NEW SUBSPECIES;3, LYTECHINUS VARIEGATUS VARIEGATUS (LESKE) (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145. NO. 5. PLATE 3. 1, Lytechinus variegatus plurituberculatus Kier, New Species;2, echinometra lucunter (linnaeus); 3, clypeaster sunn i lan dens is KlER, NEW SPECIES (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145, NO. 5, PLATE 4 Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/smithsonian-miscellaneous-collections-1-2-lytechinus-variegatus-plurituberculatus-kler-new-subspecies3-lytechinus-variegatus-variegatus-leske-see-explanation-of-plates-at-end-of-text-smithsonian-miscellaneous-collections-vol-145-no-5-plate-3-1-lytechinus-variegatus-plurituberculatus-kier-new-species2-echinometra-lucunter-linnaeus-3-clypeaster-sunn-i-lan-dens-is-kler-new-species-see-explanation-of-plates-at-end-of-text-smithsonian-miscellaneous-collections-vol-145-no-5-plate-4-image342875753.html
RM2AWR9EH–Smithsonian miscellaneous collections . 1-2, LYTECHINUS VARIEGATUS PLURITUBERCULATUS KlER, NEW SUBSPECIES;3, LYTECHINUS VARIEGATUS VARIEGATUS (LESKE) (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145. NO. 5. PLATE 3. 1, Lytechinus variegatus plurituberculatus Kier, New Species;2, echinometra lucunter (linnaeus); 3, clypeaster sunn i lan dens is KlER, NEW SPECIES (SEE EXPLANATION OF PLATES AT END OF TEXT.) SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 145, NO. 5, PLATE 4
Live specimen of Variegated sea urchin or green sea urchin, Lytechinus variegatus, underwater in the Caribbean sea, Panama Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/stock-photo-live-specimen-of-variegated-sea-urchin-or-green-sea-urchin-lytechinus-85433369.html
RFEXYR3N–Live specimen of Variegated sea urchin or green sea urchin, Lytechinus variegatus, underwater in the Caribbean sea, Panama
Varieted Urchin Lytechinus variegatus with debris Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/varieted-urchin-lytechinus-variegatus-with-debris-image1337339.html
RMAM67FC–Varieted Urchin Lytechinus variegatus with debris
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61650034.html
RFDG8B6X–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
RMDN1596–Sea urchin (Lytechinus variegatus) on Spanish slipper lobster (Scyllarides aequinoctialis)
Smithsonian miscellaneous collections . Fig. 8.—Lytechinus variegatus plurituberciilatus Kier, new subspecies: Apicalsystem of U.S.N.M. 648150, from the Caloosahatchee formation, loc. 6, X 4.Genital 2 absent on specimen. plates in each series; two regular series of secondary tubercles par-allel to primary series in each ambulacrum; this series extendingfrom midway between apical system and margin to near peristome,in specimen 54 mm long from 25 to 31 secondary tubercles in eacharea. Inter ambulacra.—Secondary tubercles well developed (text fig. 9),of approximately same size as primary; at marg Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/smithsonian-miscellaneous-collections-fig-8lytechinus-variegatus-plurituberciilatus-kier-new-subspecies-apicalsystem-of-usnm-648150-from-the-caloosahatchee-formation-loc-6-x-4genital-2-absent-on-specimen-plates-in-each-series-two-regular-series-of-secondary-tubercles-par-allel-to-primary-series-in-each-ambulacrum-this-series-extendingfrom-midway-between-apical-system-and-margin-to-near-peristomein-specimen-54-mm-long-from-25-to-31-secondary-tubercles-in-eacharea-inter-ambulacrasecondary-tubercles-well-developed-text-fig-9of-approximately-same-size-as-primary-at-marg-image342885775.html
RM2AWRP8F–Smithsonian miscellaneous collections . Fig. 8.—Lytechinus variegatus plurituberciilatus Kier, new subspecies: Apicalsystem of U.S.N.M. 648150, from the Caloosahatchee formation, loc. 6, X 4.Genital 2 absent on specimen. plates in each series; two regular series of secondary tubercles par-allel to primary series in each ambulacrum; this series extendingfrom midway between apical system and margin to near peristome,in specimen 54 mm long from 25 to 31 secondary tubercles in eacharea. Inter ambulacra.—Secondary tubercles well developed (text fig. 9),of approximately same size as primary; at marg
Variegated Urchin Lytechinus variegatus with debris Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/variegated-urchin-lytechinus-variegatus-with-debris-image1337301.html
RMAM67D6–Variegated Urchin Lytechinus variegatus with debris
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61592532.html
RFDG5NW8–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
Smithsonian miscellaneous collections . m deposits in SouthCarolina which he considers to be Pleistocene. Ty/>e.—Figured specimen, U.S.N.M. 648151. LYTECHINUS VARIEGATUS PLURITUBERCULATUS Kier, new subspeciesPlate 2, figures 1, 2; Plate 3, figure 1; Plate 4, figure 4; text figures 8-11 Diagnosis.—Distinguished from nominate subspecies by more nu-merous tubercles in ambulacra. Material.—Two specimens from the Tamiami formation; 13 fromthe Caloosahatchee. Shape.—Size moderate, varying from 48 to 56 mm in horizontaldiameter, height varying from 55 to 60 percent (average 57) ofthe diameter; mar Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/smithsonian-miscellaneous-collections-m-deposits-in-southcarolina-which-he-considers-to-be-pleistocene-tygtefigured-specimen-usnm-648151-lytechinus-variegatus-plurituberculatus-kier-new-subspeciesplate-2-figures-1-2-plate-3-figure-1-plate-4-figure-4-text-figures-8-11-diagnosisdistinguished-from-nominate-subspecies-by-more-nu-merous-tubercles-in-ambulacra-materialtwo-specimens-from-the-tamiami-formation-13-fromthe-caloosahatchee-shapesize-moderate-varying-from-48-to-56-mm-in-horizontaldiameter-height-varying-from-55-to-60-percent-average-57-ofthe-diameter-mar-image342886052.html
RM2AWRPJC–Smithsonian miscellaneous collections . m deposits in SouthCarolina which he considers to be Pleistocene. Ty/>e.—Figured specimen, U.S.N.M. 648151. LYTECHINUS VARIEGATUS PLURITUBERCULATUS Kier, new subspeciesPlate 2, figures 1, 2; Plate 3, figure 1; Plate 4, figure 4; text figures 8-11 Diagnosis.—Distinguished from nominate subspecies by more nu-merous tubercles in ambulacra. Material.—Two specimens from the Tamiami formation; 13 fromthe Caloosahatchee. Shape.—Size moderate, varying from 48 to 56 mm in horizontaldiameter, height varying from 55 to 60 percent (average 57) ofthe diameter; mar
Variegated Urchin Lytechinus variegatus using newspaper as protection Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/variegated-urchin-lytechinus-variegatus-using-newspaper-as-protection-image1337303.html
RMAM67D8–Variegated Urchin Lytechinus variegatus using newspaper as protection
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61650585.html
RFDG8BXH–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CELL DIVISION, CELL MOTILITV. AND DEVELOPMENT 241. Figure 1. Sequential computed images of a compressed Lytechinus variegatus :vgote at S-, 16-. and 32-cell stages. All spindles in side view, regardless of orientation, show up as while areas of/ugh birefringence. The metaphasc plate coincides with the plane of cytokinesis. These images were generated using Oldenbourg's newpol-scope (5). Four images were taken at different compensator angles: from ihese a computed image with a pixel brightness proportional to the sample biref Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-cell-division-cell-motilitv-and-development-241-figure-1-sequential-computed-images-of-a-compressed-lytechinus-variegatus-vgote-at-s-16-and-32-cell-stages-all-spindles-in-side-view-regardless-of-orientation-show-up-as-while-areas-ofugh-birefringence-the-metaphasc-plate-coincides-with-the-plane-of-cytokinesis-these-images-were-generated-using-oldenbourgs-newpol-scope-5-four-images-were-taken-at-different-compensator-angles-from-ihese-a-computed-image-with-a-pixel-brightness-proportional-to-the-sample-biref-image234634204.html
RMRHME90–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CELL DIVISION, CELL MOTILITV. AND DEVELOPMENT 241. Figure 1. Sequential computed images of a compressed Lytechinus variegatus :vgote at S-, 16-. and 32-cell stages. All spindles in side view, regardless of orientation, show up as while areas of/ugh birefringence. The metaphasc plate coincides with the plane of cytokinesis. These images were generated using Oldenbourg's newpol-scope (5). Four images were taken at different compensator angles: from ihese a computed image with a pixel brightness proportional to the sample biref
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61592696.html
RFDG5P34–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 280 H. SCHUEL + 50,. -75 I sec Figures 3-6. Electrical recordings of fertilization potentials in Lytechinus variegatus eggs. Abscissa: time (see scales); ordinate: {upper) current in pA; (lower) membrane potential in mV. Vertical arrow: start of depolarization in inseminated egg; horizontal bracket: interval during which fertilization membrane (FM) elevation occurred. Temp. = 22°C. From Chambers and DeArmendi (1979), reprinted with permission of Academic Press, Inc. Figure 3. Action potential and fertilization potential reco Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-280-h-schuel-50-75-i-sec-figures-3-6-electrical-recordings-of-fertilization-potentials-in-lytechinus-variegatus-eggs-abscissa-time-see-scales-ordinate-upper-current-in-pa-lower-membrane-potential-in-mv-vertical-arrow-start-of-depolarization-in-inseminated-egg-horizontal-bracket-interval-during-which-fertilization-membrane-fm-elevation-occurred-temp-=-22c-from-chambers-and-dearmendi-1979-reprinted-with-permission-of-academic-press-inc-figure-3-action-potential-and-fertilization-potential-reco-image234627091.html
RMRHM56Y–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 280 H. SCHUEL + 50,. -75 I sec Figures 3-6. Electrical recordings of fertilization potentials in Lytechinus variegatus eggs. Abscissa: time (see scales); ordinate: {upper) current in pA; (lower) membrane potential in mV. Vertical arrow: start of depolarization in inseminated egg; horizontal bracket: interval during which fertilization membrane (FM) elevation occurred. Temp. = 22°C. From Chambers and DeArmendi (1979), reprinted with permission of Academic Press, Inc. Figure 3. Action potential and fertilization potential reco
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61458634.html
RFDFYK36–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CELL DIVISION. CELL MOTILITY, AND DEVELOPMENT 233. Figure 1. Swimming pluteus larva of Lytechinus variegatus (sea urchin). The stereo pair is arranged for cross-eved viewing. Each view wax computed from a stack ofca. 100 optical sections which were acquired in DIC microscopy at 30 sections/s, then digitally processed to remove out-of-focus hu:c digital contrast enhancement (3). We also described a method for very rapidly obtaining serial optical sections, repeatedly in time lapse, using video microscopy combined with synchro Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-biological-bulletin-biology-zoology-biology-marine-biology-cell-division-cell-motility-and-development-233-figure-1-swimming-pluteus-larva-of-lytechinus-variegatus-sea-urchin-the-stereo-pair-is-arranged-for-cross-eved-viewing-each-view-wax-computed-from-a-stack-ofca-100-optical-sections-which-were-acquired-in-dic-microscopy-at-30-sectionss-then-digitally-processed-to-remove-out-of-focus-huc-digital-contrast-enhancement-3-we-also-described-a-method-for-very-rapidly-obtaining-serial-optical-sections-repeatedly-in-time-lapse-using-video-microscopy-combined-with-synchro-image234634334.html
RMRHMEDJ–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CELL DIVISION. CELL MOTILITY, AND DEVELOPMENT 233. Figure 1. Swimming pluteus larva of Lytechinus variegatus (sea urchin). The stereo pair is arranged for cross-eved viewing. Each view wax computed from a stack ofca. 100 optical sections which were acquired in DIC microscopy at 30 sections/s, then digitally processed to remove out-of-focus hu:c digital contrast enhancement (3). We also described a method for very rapidly obtaining serial optical sections, repeatedly in time lapse, using video microscopy combined with synchro
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61458679.html
RFDFYK4R–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
. The American Arbacia and other sea urchins. Sea urchins; Arbacia punctulata; Sea urchins -- Embryos; Biology -- Research. 298 SUBJECT INDEX Thiurea, cleavage, 166; parthenogenesis, 200 Thorium, and potassium, 209 Thunder stones, 20 Time schedule of development, 97-98, Tables 2, 3, 4, Plates III-V Torone, 8, 11 Toxopneustes variegatus, see Lytechinus variegatus Transferases, 178 Triplets, see Compilation, 223 Tripneustes (Hipponoe) esculentus, white urchin, 9; as food, chardron blanc, "sea eggs," 4, 24; decorates itself, 44; classifica- tion, 65; egg size, 65; first cleavage, 99; ch Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/the-american-arbacia-and-other-sea-urchins-sea-urchins-arbacia-punctulata-sea-urchins-embryos-biology-research-298-subject-index-thiurea-cleavage-166-parthenogenesis-200-thorium-and-potassium-209-thunder-stones-20-time-schedule-of-development-97-98-tables-2-3-4-plates-iii-v-torone-8-11-toxopneustes-variegatus-see-lytechinus-variegatus-transferases-178-triplets-see-compilation-223-tripneustes-hipponoe-esculentus-white-urchin-9-as-food-chardron-blanc-quotsea-eggsquot-4-24-decorates-itself-44-classifica-tion-65-egg-size-65-first-cleavage-99-ch-image237744896.html
RMRPP614–. The American Arbacia and other sea urchins. Sea urchins; Arbacia punctulata; Sea urchins -- Embryos; Biology -- Research. 298 SUBJECT INDEX Thiurea, cleavage, 166; parthenogenesis, 200 Thorium, and potassium, 209 Thunder stones, 20 Time schedule of development, 97-98, Tables 2, 3, 4, Plates III-V Torone, 8, 11 Toxopneustes variegatus, see Lytechinus variegatus Transferases, 178 Triplets, see Compilation, 223 Tripneustes (Hipponoe) esculentus, white urchin, 9; as food, chardron blanc, "sea eggs," 4, 24; decorates itself, 44; classifica- tion, 65; egg size, 65; first cleavage, 99; ch
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61647722.html
RFDG888A–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
. Breviora. 1968 LYTECHINUS WILLIAMSI Moore, H. B., T. Jutare, J. C. Bauer, J. A. Jones 1963. The biology of Lytechinus variegatus. Bull. Mar. Sci. Gulf and Caribb. 13 (1 ):21-53. MORTENSEN, T. 1943. A Monograph of the Echinoidea. 3(2). Copenhagen, C. A. Reitzel, 553 pp. Swan, E. 1952. Regeneration of spines by sea urchins of the genus Strongylo- centrotus. Growth 16: 27-35. 1958. Growth and variation in sea urchins of York, Maine. Jour. Mar. Res. 17: 505-522. (Received 21 March 1968.). y-.i f' ' >|ff*^ s vim V M^VJjTi It. Please note that these images are extracted from scanned page imag Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/breviora-1968-lytechinus-williamsi-moore-h-b-t-jutare-j-c-bauer-j-a-jones-1963-the-biology-of-lytechinus-variegatus-bull-mar-sci-gulf-and-caribb-13-1-21-53-mortensen-t-1943-a-monograph-of-the-echinoidea-32-copenhagen-c-a-reitzel-553-pp-swan-e-1952-regeneration-of-spines-by-sea-urchins-of-the-genus-strongylo-centrotus-growth-16-27-35-1958-growth-and-variation-in-sea-urchins-of-york-maine-jour-mar-res-17-505-522-received-21-march-1968-y-i-f-gtff-s-vim-v-mvjjti-it-please-note-that-these-images-are-extracted-from-scanned-page-imag-image234298459.html
RMRH5623–. Breviora. 1968 LYTECHINUS WILLIAMSI Moore, H. B., T. Jutare, J. C. Bauer, J. A. Jones 1963. The biology of Lytechinus variegatus. Bull. Mar. Sci. Gulf and Caribb. 13 (1 ):21-53. MORTENSEN, T. 1943. A Monograph of the Echinoidea. 3(2). Copenhagen, C. A. Reitzel, 553 pp. Swan, E. 1952. Regeneration of spines by sea urchins of the genus Strongylo- centrotus. Growth 16: 27-35. 1958. Growth and variation in sea urchins of York, Maine. Jour. Mar. Res. 17: 505-522. (Received 21 March 1968.). y-.i f' ' >|ff*^ s vim V M^VJjTi It. Please note that these images are extracted from scanned page imag
underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/underwater-close-up-shot-of-the-sea-urchin-lytechinus-variegatus-at-image61191892.html
RFDFFETM–underwater close up shot of the sea urchin Lytechinus variegatus at Ilhabela, Sao Paulo state shore, Brazil
. Carnegie Institution of Washington publication. ^ 126 Papers from the Marine Biological Laboratory at Tortugas. The first of these methods was tried at the Tortugas laboratory on the eggs of the sea-urchin Lytechinus {Toxopneustes) variegatus. Advantage was taken of the fact that the electrolytes of the eggs and the medium dissociate into ions which bear electric charges, and therefore their move- ment through the eggs could be detected, with a high degree of accuracy, by the electric conductivity method of Kohlrausch.^ Several bushels of sea-urchins were collected each day and the eggs of t Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/carnegie-institution-of-washington-publication-126-papers-from-the-marine-biological-laboratory-at-tortugas-the-first-of-these-methods-was-tried-at-the-tortugas-laboratory-on-the-eggs-of-the-sea-urchin-lytechinus-toxopneustes-variegatus-advantage-was-taken-of-the-fact-that-the-electrolytes-of-the-eggs-and-the-medium-dissociate-into-ions-which-bear-electric-charges-and-therefore-their-move-ment-through-the-eggs-could-be-detected-with-a-high-degree-of-accuracy-by-the-electric-conductivity-method-of-kohlrausch-several-bushels-of-sea-urchins-were-collected-each-day-and-the-eggs-of-t-image233451036.html
RMRFPH50–. Carnegie Institution of Washington publication. ^ 126 Papers from the Marine Biological Laboratory at Tortugas. The first of these methods was tried at the Tortugas laboratory on the eggs of the sea-urchin Lytechinus {Toxopneustes) variegatus. Advantage was taken of the fact that the electrolytes of the eggs and the medium dissociate into ions which bear electric charges, and therefore their move- ment through the eggs could be detected, with a high degree of accuracy, by the electric conductivity method of Kohlrausch.^ Several bushels of sea-urchins were collected each day and the eggs of t
. Breviora. 1968 LYTECHINUS WILLIAMSI 11. Figure 3. Spines, spicules, and pedicellariae of L. williamsi'. A, cross-section of a primary interambulacral spine 0.7 mm in diameter; B, the same, from L. variegatus 0.65 mm in diameter; C, valve of a triden- tate pedicellaria 1.09 mm long; D, valve of globiferous pedicellaria 0.8 mm long; E, valve of triphyl ous pedicellaria 0.155 mm long; F, valve of ophice- phalous pedicellaria 0.55 mm long; G, spicules of globiferous pedicellaria 0.04 mm long; H, spicules of the tube feet 0.04 to 0.047 mm long: I. base of a primary spine, 0.8 mm in diameter.. Ple Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/breviora-1968-lytechinus-williamsi-11-figure-3-spines-spicules-and-pedicellariae-of-l-williamsi-a-cross-section-of-a-primary-interambulacral-spine-07-mm-in-diameter-b-the-same-from-l-variegatus-065-mm-in-diameter-c-valve-of-a-triden-tate-pedicellaria-109-mm-long-d-valve-of-globiferous-pedicellaria-08-mm-long-e-valve-of-triphyl-ous-pedicellaria-0155-mm-long-f-valve-of-ophice-phalous-pedicellaria-055-mm-long-g-spicules-of-globiferous-pedicellaria-004-mm-long-h-spicules-of-the-tube-feet-004-to-0047-mm-long-i-base-of-a-primary-spine-08-mm-in-diameter-ple-image234298409.html
RMRH5609–. Breviora. 1968 LYTECHINUS WILLIAMSI 11. Figure 3. Spines, spicules, and pedicellariae of L. williamsi'. A, cross-section of a primary interambulacral spine 0.7 mm in diameter; B, the same, from L. variegatus 0.65 mm in diameter; C, valve of a triden- tate pedicellaria 1.09 mm long; D, valve of globiferous pedicellaria 0.8 mm long; E, valve of triphyl ous pedicellaria 0.155 mm long; F, valve of ophice- phalous pedicellaria 0.55 mm long; G, spicules of globiferous pedicellaria 0.04 mm long; H, spicules of the tube feet 0.04 to 0.047 mm long: I. base of a primary spine, 0.8 mm in diameter.. Ple
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