. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. lOO-i 456 100- 80- 60- 40- GROUP 4 20- GROUP 5. Fna.'KK 1. Results of Experiment 1 showing the average percentage of the testis occupied by the various germ cells. Refer to the text for the experimental conditions of the groups. Key: 1, Sperniatogoiiia. 2, Spermatocytes. 3, Sperma- tids. 4. Sperm. 5, Degenerating cysts. 6, Non-germinal. ences within the individual groups. Ft is evident, therefore, that light was not necessary for normal spermiogenesis, nor did constant light produce a greater degree of spermiogenesis. In the
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. lOO-i 456 100- 80- 60- 40- GROUP 4 20- GROUP 5. Fna.'KK 1. Results of Experiment 1 showing the average percentage of the testis occupied by the various germ cells. Refer to the text for the experimental conditions of the groups. Key: 1, Sperniatogoiiia. 2, Spermatocytes. 3, Sperma- tids. 4. Sperm. 5, Degenerating cysts. 6, Non-germinal. ences within the individual groups. Ft is evident, therefore, that light was not necessary for normal spermiogenesis, nor did constant light produce a greater degree of spermiogenesis. In the control group there was considerable variation, ranging from f>().3 per cent sperm to 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
