Fig. 19. — The ovaries of the rats shown in Figure ij. Left, of the hypophysecto- 

 mized rat; weight, 6.0 mg. Right, of the normal rat; weight, 46.6 mg. 



Fig. 20. — Photomicrographs of the ovaries shown in Figure 1 9. X 22. Top, ovary 

 of the hypophysectomized rat; bottom, ovary of the normal rat. 



