146 



ANIMAL CASTRATION 



membrane lining the vnlva is rose colored, and tlie skin covering it extern- 

 ally is soft, thin and devoid of hair. 



Vagina — The vagina is situated between the rectum and bladder, and 

 is tubular in shape. It extends horizontally through the pelvic cavity from 



Fig. i:jl — View ot internal genitals of tlie mare. A, Rectum; B, vagina; C, uterus; 

 D. D. cornua; E, E, ovaries; F, If, broad ligaments; G, G. abdominal walls. 



the cervix to the vulva. Its walls are capable of great distention. The 

 vagina vai-ies in length in different individuals. It is usuallj^ from eight to 

 ten inches long. Superiorly it is related to the rectum, inferiorly to the 

 bladder, laterally to the pelvic wall. 



