20 



THE FUR SEALS OP THE PRIBILOF ISLANDS. 



vaginal wall. The free border is elsewhere produced into papillse. The lumen above 

 this fold is much smaller than below and is soon divided by a vertical partition. This 

 marks the beginning of the horns of the uterus, and the free lower end of the septum 



Fig. 8. — Urogenital organs of female, reduced. 

 ao. Dorsal aorta. 

 v.c.p. Posterior vena cava. 

 al. V. Allantoic veins. 

 ur, Urachifl, the ovarian capsule of the ligamentum latum is round. 

 lin. Xieament attaching ovary to ligamentum latum. 

 K. Kidney. 

 ov. Ovary. 

 fal. Fallopian tube. 



is terminated by a small papilla-like valve that may close either opening. In the 

 nongravid uterus the lumina in the fused parts are considerably narrower than in the 

 divergent parts of the horns. 



