. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 1. Section of an unfertilized egg, centrifuged for one hour at 2193 times gravity, and fixed ten minutes later, showing a stratification of the egg contents into three zones. FIG. 2. Section of an unfertilized egg centrifuged for one hour at 2193 times gravity and fixed ten minutes later, showing the fourth zone at the centrifugal pole. FIG. 3. Section of an unfertilized egg, centrifuged for one hour at 2193 times gravity and fixed fifteen minutes later. The stratification of the centrifugal zone is not complete. clearl
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 1. Section of an unfertilized egg, centrifuged for one hour at 2193 times gravity, and fixed ten minutes later, showing a stratification of the egg contents into three zones. FIG. 2. Section of an unfertilized egg centrifuged for one hour at 2193 times gravity and fixed ten minutes later, showing the fourth zone at the centrifugal pole. FIG. 3. Section of an unfertilized egg, centrifuged for one hour at 2193 times gravity and fixed fifteen minutes later. The stratification of the centrifugal zone is not complete. clearly separated. The centrifugal zone contains blue-black granules, while in the centripetal zone the number of the same kind of granules is greatly reduced. Figure 3 shows an egg with incomplete stratifica- tion of the fourth zone. In this case a part of the granules remains. 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
