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. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 544 W. DONALD NEWTON Some shattering of sections by cocoon capsule fragments did occur, but, in general, excellent serial sections were obtained. OBSERVATIONS Hydrolimax grisea, an hermaphroditic animal, practices mutual insemination by injection of spermatozoa through the wall of the genital atrium into the adjacent parenchyma (Hyman, 1938; Kepner, Stirewalt and Ferguson, 1941; Stirewalt, Ferguson and Kepner, 1942). The spermatozoa make their way through ycm .3* * * ... k. .$5 & £?. £$ FIGURE 5. Epidermal cavity has col
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 544 W. DONALD NEWTON Some shattering of sections by cocoon capsule fragments did occur, but, in general, excellent serial sections were obtained. OBSERVATIONS Hydrolimax grisea, an hermaphroditic animal, practices mutual insemination by injection of spermatozoa through the wall of the genital atrium into the adjacent parenchyma (Hyman, 1938; Kepner, Stirewalt and Ferguson, 1941; Stirewalt, Ferguson and Kepner, 1942). The spermatozoa make their way through ycm .3* * * ... k. .$5 & £?. £$ FIGURE 5. Epidermal cavity has collapsed and the embryo is in the process of inversion. The embryo rises out of and spreads over the yolk-cell mass (arrows) ; Worcester's fixative, 25° C; br, 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