. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 3. Ovarian egg showing first polar body and second polar spindle. Seven- teen masses of chromatih, some of which are undivided dyads, are scattered through the first polar body ; twenty-four univalent chromosomes appear in the equator of the second polar spindle. Certain chromosomes have been added from adjacent sections. A minute centriole appears at each pole of the second spindle. The zona pellucida is represented by a double line. ( FIG. 4. Diagram of univalent chromosomes in second polar spindle, indicating


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 3. Ovarian egg showing first polar body and second polar spindle. Seven- teen masses of chromatih, some of which are undivided dyads, are scattered through the first polar body ; twenty-four univalent chromosomes appear in the equator of the second polar spindle. Certain chromosomes have been added from adjacent sections. A minute centriole appears at each pole of the second spindle. The zona pellucida is represented by a double line. ( FIG. 4. Diagram of univalent chromosomes in second polar spindle, indicating difference in size. lengthen out into filaments of various sizes (Fig. 4). Like the first polar spindle the second varies in size, and lies with its axis at. 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