144 



INTERNAL SECRETIONS 



z'. 



oo^ 



co^ 



^ 



Fig. 73. 



A. 



B. 



Seminal vesicles oj guinea pig with testicular fragment of about 60 cmm. 



(instead of normal testicular weight of about 2 -0-2 -5 gr). Nat, size. 



Prot. Nr. 34. Operation at age of about 2-3 weeks; drawn 11 months 



later. Highly developed seminal vesicles; to be compared with C. 

 Seminal vesicles of guinea pig, with testicular fragment of about 35 cmm. 



(instead of about 2 -0-2 -5 gr.). Nat. size. Prot. Nx. 35. Operation 



at age of 4^ months; drawn 7 months later. Highly developed seminal 



vesicles; to be compared with D. 

 Seminal vesicles of guinea pig, 2 1 months old, castrated at the age of 2 weeks 



(Prot. Nr. 23). Nat. size. 

 Seminal vesicles of guinea pig castrated at the age of 4 J months (Prot, Nr. 27). 



Drawn 1 1 months later. Nat. size. 



