. The Biological bulletin. Biology; Zoology; Marine biology. 406 ANTHONY C. CLEMENT. Figs. 1-5. Same egg at successive intervals after centrifuging, showing for- mation of giant second polar body. See Experiment 1 of text. 1, 5 minutes; 2, 30 minutes; 3, 35 minutes; 4, 40 minutes; 5, 80 minutes. Figs. 6-13. Showing behavior of eggs centrifuged in interval between matura- tion divisions. See Experiment 2 of text. 6. Egg 5 minutes after centrifuging. 7-9. Three different eggs 40-45 minutes after centrifuging. Second maturation division producing giant polar bodies. Note cytoplasmic lobes. 10. Eg
. The Biological bulletin. Biology; Zoology; Marine biology. 406 ANTHONY C. CLEMENT. Figs. 1-5. Same egg at successive intervals after centrifuging, showing for- mation of giant second polar body. See Experiment 1 of text. 1, 5 minutes; 2, 30 minutes; 3, 35 minutes; 4, 40 minutes; 5, 80 minutes. Figs. 6-13. Showing behavior of eggs centrifuged in interval between matura- tion divisions. See Experiment 2 of text. 6. Egg 5 minutes after centrifuging. 7-9. Three different eggs 40-45 minutes after centrifuging. Second maturation division producing giant polar bodies. Note cytoplasmic lobes. 10. Egg 70 minutes after centrifuging; giant second polar body. 11. Egg 2Yi hrs. after centrifuging. Trefoil stage of first cleavage; polar body undivided. 12. Another egg 23^ hrs. after centrifuging. Egg undivided; giant polar body cleaved. 13. Egg 3^2 hrs. after centrifuging. Giant polar body in 4-cell 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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