. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 270 GERARD L. MOENCH AND HELEN HOLT. that such dimorphism must at least be the exception rather than the rule. It must also be remembered that the material used by the various workers in this field was not always the same. While Williams and we employed ejaculated sperm cells, Wodsedalek. Fig. 2. This graph is the result of measuring 300 sperm head lengths of a known normally fertile boar. made sections of the testicle and measured those spermatozoa which were free in the lumina of the tubules, since he considered these cell
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 270 GERARD L. MOENCH AND HELEN HOLT. that such dimorphism must at least be the exception rather than the rule. It must also be remembered that the material used by the various workers in this field was not always the same. While Williams and we employed ejaculated sperm cells, Wodsedalek. Fig. 2. This graph is the result of measuring 300 sperm head lengths of a known normally fertile boar. made sections of the testicle and measured those spermatozoa which were free in the lumina of the tubules, since he considered these cells mature. It has been pointed out before that a number of observers believe that the sperms first mature in the epididymis. Furthermore, histological sections have gone through so many processes that one cannot tell how the spermatozoa may have. 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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