. The Biological bulletin. Biology; Zoology; Marine biology. Plate II Fig. 14. Egg centrifuged for 5 minutes. Second maturation spindle forced away from animal pole but remains connected by strands of cytoplasm. Condensed sperm nucleus at border of oil and cytoplasmic zones. Fig. 15. Egg centrifuged intermittently over 30-minute interval (See Experi- ment 2 of text), then fixed immediately. First polar body lost. Second maturation spindle lying free in cytoplasmic zone. Sperm nucleus between spindle and oil zone. Figs. 16, 17. Giant polar bodies in eggs centrifuged before second maturation div
. The Biological bulletin. Biology; Zoology; Marine biology. Plate II Fig. 14. Egg centrifuged for 5 minutes. Second maturation spindle forced away from animal pole but remains connected by strands of cytoplasm. Condensed sperm nucleus at border of oil and cytoplasmic zones. Fig. 15. Egg centrifuged intermittently over 30-minute interval (See Experi- ment 2 of text), then fixed immediately. First polar body lost. Second maturation spindle lying free in cytoplasmic zone. Sperm nucleus between spindle and oil zone. Figs. 16, 17. Giant polar bodies in eggs centrifuged before second maturation division (See Experiment 1 of text). 408. 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 Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]
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