. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 262 WILLIAM B. KIRKHAM. egg are drawn into the equator of a new spindle, split longitudi- nally, and the twenty-four daughter, univalent chromosomes. 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 seco


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 262 WILLIAM B. KIRKHAM. egg are drawn into the equator of a new spindle, split longitudi- nally, and the twenty-four daughter, univalent chromosomes. 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. ( 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