OCR Text |
Show 1881.] DR. M. WATSON ON THE SPOTTED HYAENA. 519 On the glans clitoridis of the virgin female which I formerly described, I failed to distinguish any trace of the recurved spines which beset the glans penis of the opposite sex. In the mature female, on the other hand, the glans clitoridis is invested by a number of minute spines, which, however, were neither so numerous nor of so horny a nature as the corresponding structures of the male organ. The presence of these spine3 in the mature female and their absence in the virgin appear to show that they are structures of comparatively late growth. Nipples.-The nipples in the female which has produced young are four in number. Of these two are of small size and had apparently never been functionally active. They are situated one on either side of and almost in contact with the side of the prepuce. They are symmetrically placed near either side of the middle line, and are separated from one another by a distance of 1| inch. Of these two nipples, the right is smaller than the left. The other two nipples were of large size ; and both had evidently given suck. Like the first pair, they are situated symmetrically on either side of the middle line, at a distance of 2\ inches from the latter and 3 inches in front of the free border of the prepuce. Each measures l\ iuch in length. In the second male which I examined I could only distinguish a single pair of rudimentary nipples. They were symmetrically disposed, one on either side of the free margin of the prepuce, but not in contact with the latter as in tbe mature female, but separated from the prepuce by a distance of 2 inches. It will be seen, therefore, that in the two sexes the nipples neither correspond in respect of number nor of position. In myprevious papers I showed that in the female the anal scent-glands much exceeded in size those of the male. Further observations on the size of these glands in the two specimens last examined show that the anal glands in both sexes are of the same size, and that they equal those of the virgin which I first dissected. Probably the difference in size of these glands in the two male specimens is explicable on the supposition that the specimen last examined had attained greater sexual maturity than the first, and that the anal glands, like certain of the sexual glands, only attain their full size some time after sexual maturity has been reached. Male. In a former communication1 I directed attention to the difference between Prof. Flower's observations and m y own with regard to the presence of a prostate gland in the male Hya?na crocuta. The examination of the male which I received last summer proved that a prostate gland is undoubtedly present in the male of this animal, as described by Professor Flower. Its form in the specimen referred to exactly agrees with the description which I formerly gave, founded upon an examination of the organs which Prof. Flow'er kindly placed at m y disposal. The prostate (Plate XLIX. fig. 4) consists of two distinct masses, each measuring 1 inch in 1 P. Z. S. 1878, p. 419, footnote. |