Proc. Roy. Soc. Edin. 
[Yol XXXI. 
x 600 Diam. 
a 
r Y ol. Im. Zeiss. 
Fig. 16. 
Mass of Oocytes becoming separated 
up by ingrowths of follicle cells. 
a=nucleus. &=cell with nucleus fallen out. 
c=follicle cells. <f=stroma cells. e=single Oocyte. 
Fig. 15. 
Follicles in deeper layers of Ovary of three months’ 
old Puppy. Note spindle shape of follicle cells. 
Surface of Kitten’s Ovary 17 days after birth. 
Stroma cells are isolating the capsular epithelium. 
Dr Louise M c Ii.eoy. 
[Plate IV'. 
