Hxpt-rijiit'titnl ()pt'rati(jns on the rituitary 



99 



first of all ativjphy in the muscular coats of the uterus, an<l that this is 

 soon followed by atrophy in the endometrium. The changes in the ovaries 



Fio. 24a. -Section of tlie uterus of dog 3 before operation. (Photomicrograph x 40. ) 



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Fig 24B -Section of tlie uterus of dog 3, 210 days after partial removal 

 of pars anterior. (Photoiiiicrograi)h x 4U. ) 



are very striking: the whole ovary shrinks in size; and ''"^ "^"^^fj^^ 

 observes that the Graafian follicles degenerate-the ovum and epithehal 



