. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. PLATE II FIG. 3. Section of Hydnictinia gonozooid 45 minutes before spawning. ( h ) Gonophore containing unripe eggs; (;') gastrovascular cavity of gonozooid; (/) distal end of gonozooid with nematocysts; (k) gastrodermal spadix of ripening gonophore; (/) peripherally placed enlarged germinal vesicle of ripening egg. About 60 X. FIG. 4. Section of Hydractinia female gonophore just before shedding, (in) Mature egg cell; (;;) egg follicle; (o) immature oocyte in a neighboring gono- phore. About 100 X. FIG. 5. Section of Hydrac
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. PLATE II FIG. 3. Section of Hydnictinia gonozooid 45 minutes before spawning. ( h ) Gonophore containing unripe eggs; (;') gastrovascular cavity of gonozooid; (/) distal end of gonozooid with nematocysts; (k) gastrodermal spadix of ripening gonophore; (/) peripherally placed enlarged germinal vesicle of ripening egg. About 60 X. FIG. 4. Section of Hydractinia female gonophore just before shedding, (in) Mature egg cell; (;;) egg follicle; (o) immature oocyte in a neighboring gono- phore. About 100 X. FIG. 5. Section of Hydractinia female gonophore preserved during the act of spawning. (/>) Discharged egg; (q) egg emerging; (r) collapsing wall of gono- phore, showing outer epidermis and inner musculo-epithelium; (s) gastrovascular cavity of parent gonozooid. About 100 X. FIG. 6. Section showing three Hydractinia eggs in late cleavage stages still within the gonophore. Maturation induced by dark and light treatment, shedding inhibited by calcium-free sea water. About 100 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
