. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 9, A, 9, B. doubtful cases. Fig. 9, B, is a cell from the same ovary with two nucleoli apparently connected. The Figs. 7-9 are taken from M. expansa. Since the course of development is identical in both species so far as can be observed, it is not necessary to duplicate all stages in two species, but a few typical cells and cell-groups from the ovary of M. pianissimo, are figured. Fig. 10, A, and 10, B, both show characteristic cases of amitosis in the earliest stages of ovarian development. Fig. 11, A, shows two cases


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 9, A, 9, B. doubtful cases. Fig. 9, B, is a cell from the same ovary with two nucleoli apparently connected. The Figs. 7-9 are taken from M. expansa. Since the course of development is identical in both species so far as can be observed, it is not necessary to duplicate all stages in two species, but a few typical cells and cell-groups from the ovary of M. pianissimo, are figured. Fig. 10, A, and 10, B, both show characteristic cases of amitosis in the earliest stages of ovarian development. Fig. 11, A, shows two cases and Fig. 11, B, one. The case a in Fig. n, A, represents a rather interesting stage. 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