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. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. -. H FIGURE 3. Developmental stages for fertilized eggs of Strongylocentrotus droebachiensis at 8° C; A—unfertilized egg (scale = 200 M) ; B—5 minutes after fertilization; C—first divi- sion; 3 hr; D—second division, 5 hr; E—8-cell stage, 6? hr; F— 16-cell stage, SI hr (arrow: micromeres) ; G—early blastula, 15 hr; H—mid-blastula, 20 hr; /—cilia formation, beginning 24 hr; /—hatching, 30 hr; K—ciliated blastula, 32 hr (scale = 50 A*) ; L—early gastrula,. Please note that these images are extracted from scanned page images th
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. -. H FIGURE 3. Developmental stages for fertilized eggs of Strongylocentrotus droebachiensis at 8° C; A—unfertilized egg (scale = 200 M) ; B—5 minutes after fertilization; C—first divi- sion; 3 hr; D—second division, 5 hr; E—8-cell stage, 6? hr; F— 16-cell stage, SI hr (arrow: micromeres) ; G—early blastula, 15 hr; H—mid-blastula, 20 hr; /—cilia formation, beginning 24 hr; /—hatching, 30 hr; K—ciliated blastula, 32 hr (scale = 50 A*) ; L—early gastrula,. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology