OCR Text |
Show 1881.] VAGINAL APPARATUS IN THE MACROPODID^E. 989 open. The two folds in the urogenital canal are well marked. In this specimen the lateral canals end, as usual, by the sides of this median opening, and not further back as in the young one (a). This may have been an individual peculiarity of a. Fig. 3. The vaginal apparatus of Dendrolagus inustus, natural size. The left uterus, the median canal, the left lateral canal, and the urogenital sinus have been cut open along the dorsal aspect. 1.1, c, left lateral vaginal canal; r. 1. c, right lateral vaginal canal; U, the orifice of the urethra m the urogenital sinus; ur, the ureters; ut, the right uterus. The constriction and cross fold in the lateral canals are very distinct. , Of the Rock-Kangaroos (Petrogale xanthopus), specimen a bore a minute young one in the pouch. The median vaginal chamber |