. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 9. 10. EXPLANATION OF PHOTOGRAPHS All photographs are of living unfertilized eggs, arranged with the oil cap uppermost in each case. PHOTOGRAPHS 1 AXD 2. Egg centrifuged 3 minutes, photographed 14 minutes later. PHOTOGRAPHS 3 AND 4. Egg centrifuged 5 minutes, photographed 12 minutes later. Maturation spindle visible. PHOTOGRAPH 5. Egg centrifuged 15 minutes, photographed 5 minutes later. Egg centrifuged 20 minutes, photographed 4 minutes later. Egg centrifuged 30 minutes, photographed 1 minute later. Same. The oil cap is pul


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 9. 10. EXPLANATION OF PHOTOGRAPHS All photographs are of living unfertilized eggs, arranged with the oil cap uppermost in each case. PHOTOGRAPHS 1 AXD 2. Egg centrifuged 3 minutes, photographed 14 minutes later. PHOTOGRAPHS 3 AND 4. Egg centrifuged 5 minutes, photographed 12 minutes later. Maturation spindle visible. PHOTOGRAPH 5. Egg centrifuged 15 minutes, photographed 5 minutes later. Egg centrifuged 20 minutes, photographed 4 minutes later. Egg centrifuged 30 minutes, photographed 1 minute later. Same. The oil cap is pulling off as a spherical fragment. Egg centrifuged 1 minute, photographed 30 minutes later. Egg centrifuged 10 minutes, photographed 9 minutes later. PHOTOGRAPH 6. PHOTOGRAPH 7. PHOTOGRAPH 8. PHOTOGRAPH 9. PHOTOGRAPH 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