. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. d FIG. 2. Feathers of same bird (Fig. i) ; a-d, before, and -aW, after castra- tion, Nov. 13. a, b, c, d. As the new feathers came in during the following weeks and months they showed clearly the effects of castration; that is, they were cock-feathered or strongly marked in that direction. The younger bird had just begun to develop its sec- ond plumage, and as the feathers continued to appear, the first of them were hen-feathered in pattern and in shape at the tip of the feather, while the base only was affected by the castr


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. d FIG. 2. Feathers of same bird (Fig. i) ; a-d, before, and -aW, after castra- tion, Nov. 13. a, b, c, d. As the new feathers came in during the following weeks and months they showed clearly the effects of castration; that is, they were cock-feathered or strongly marked in that direction. The younger bird had just begun to develop its sec- ond plumage, and as the feathers continued to appear, the first of them were hen-feathered in pattern and in shape at the tip of the feather, while the base only was affected by the castra- tion and showed some of the characters of cock-feathering. These results go to show that the young bird also would un-. 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