Plate XV. 



Vaginal Ovariotomy in the Mare. 



Diagrammatic sagittal section through the 

 "ballooned " vagina. V, vagina ; OA, operative 

 area ; I, point of incision ; U, uterus ; R, rectum ; 

 A, aorta with dotted lines posteriorly to indi- 

 cate location of the iliacs. 



