. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 280 CARL R. MOORE. TABLE III. Lot A. Lot Ax. No. Returned to Sea-water. Per Cent. Cleavages. Per Cent. Swimming Larvae. Per Cent. Cleavages. Per Cent. Larvae. Insem- inated. Killed. I 3 2 I 85 75 3:i5 3:45 2 3:30 " 2 O 75 75 3:35 4:05 3 3:50 " 15 I 45 15 3:55 4:25 4 4:10 25 O 30 8 4:i5 4:45 5 4:30 " 12 0 12 i 4=35 5:05 6 4:55 20 i 12 2 4:55 5:25 " Microscopical Observations on Lot A. 3:30 , A1 eggs appear normal. 3:55 , A2 eggs appear normal. 4:15 , A3 eggs appear normal. 4:40


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 280 CARL R. MOORE. TABLE III. Lot A. Lot Ax. No. Returned to Sea-water. Per Cent. Cleavages. Per Cent. Swimming Larvae. Per Cent. Cleavages. Per Cent. Larvae. Insem- inated. Killed. I 3 2 I 85 75 3:i5 3:45 2 3:30 " 2 O 75 75 3:35 4:05 3 3:50 " 15 I 45 15 3:55 4:25 4 4:10 25 O 30 8 4:i5 4:45 5 4:30 " 12 0 12 i 4=35 5:05 6 4:55 20 i 12 2 4:55 5:25 " Microscopical Observations on Lot A. 3:30 , A1 eggs appear normal. 3:55 , A2 eggs appear normal. 4:15 , A3 eggs appear normal. 4:40 , A4 10 per cent, eggs show loss of pigment. 5:10 , A5 few eggs almost colorless; 30 per cent, appear normal. 5:20 , A6 some eggs reduced to shadows, many appear quite normal. Sections of eggs of the AX1 lot appear not greatly different from lots that have been normally fertilized; very few of them. FIG. 2. K 3,000. Section of an egg exposed to the stronger hypertonic solution for 15 minutes and inseminated immediately on return to sea-water. Killed 15 minutes after insemination. The sperm heads are entirely unchanged and have not reacted with the 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