xi FCETUS AND PLACENTA 541 



which is applied to the outer surface of the corresponding 

 ovary. On the ventral wall of the hinder or proximal end 

 of the urinogenital canal is a small, hard, rod-like body, the 

 clitoris (Fig. 135, cl), corresponding to the penis of the male, 

 and strengthened by two small corpora cavernosa (Fig. 144 B, 

 c. c} attached at their proximal ends to the ischia. 



Vat' 



r.ut 



FIG. 145. The anterior end of the vagina, with the right uterus, Fallopian tube, 

 and ovary of the rabbit (nat. size). Part of the ventral wall of the vagina is 

 removed, and the proximal end of the left uterus is shown in longitudinal section. 

 ft. t. Fallopian tube ; fl. t'. its coelomic aperture ; /. ut, left uterus ; /. ut' ' . aper- 

 ture of same (os uteri) into vagina ; ov. right ovary ; r. ut. right uterus ; r. ut' . 

 right os uteri ; s. vaginal septum ; va. vagina. (From Parker's Zootomy.) 



The Rabbit is viviparous. The minute ova undergo de- 

 velopment in the uterus, in which each develops into a 

 foetus, as the intra-uterine embryo is termed, and is nourished 

 by means of an organ known as t\\e placenta, which will be 

 described in the next chapter. The young animal escapes 

 from the uterus in a condition in which all the parts have 

 become fully formed except that it is practically hairless ; 

 the eyelids are at first coherent. As many as eight or ten 



