INTERNAL SECRETIONS OF SEXUAL GLANDS 89 



likely that the ovarian graft has a better chance of survival than 

 the testicular one ; even successful ovarian heterotransplanta- 

 tion has been described by Bucura, who engrafted the ovaries 

 of rabbits and guinea pigs into female hares. He relates that 

 these animals behaved like normal females, and admitted 







CO . 



Fig. 47. — Section through uteyus oj a normal rat. To be compared 

 with Fig. 48. — From Marshall and Jolly. 



the males, a process which never occurs with castrated females; 

 but I am doubtful whether a castrated female is really so easily 

 distinguishable in her behaviour from a normal one. As 

 regards ovarian transplantation in women there can be no 

 doubt that the atrophy of the uterus can be prevented by 

 transplantation ; menstruation occurs and even returns when it 

 had formerly disappeared in consequence of the removal of 



