GENERAL INDEX 



511 



Seminal vesicles, influence on sex 

 characters 335 ft. 



physiology of 335 



removal of 340 



{see also vesiculae seminales) 



Seminiferous tubules no, 124-5, 

 128-30, 133, 148, 158-9, 172-3, 

 180, 183. 193-4, 196, 427 



" backward development ' ' 



148, 174 



degeneration of 133, 142-3, 



148, 153-5. 178 ft"., 305 



Senile dog, experiments on 486 ft. 



Senility and rejuvenation 485 ff. 



Sertoli cells 126-7, 130-1, 143, 

 145-6, 148, 150, 152, 153-5. 173, 

 176, 185, 189, 196, 345 



Sex apparatus in moth aftei castra- 

 tion 55 ft". 



— characters {see sexual characters) 



— determination of 448 



— difterentiation 445-6, 450-1, 

 467 



— endocrine glands 473 



— glands {see sexual glands) 

 "Sex-limited" characters 470 

 Sex specific endocrine action in birds 



310 



— specifity 68, 104, 322, 327, 331, 



397-8. 410. 442. 475 

 Sexual activity in man after cas- 

 tration 12, 13, 16, 18, 35, 36, 85 



in woman after castration 14 



in duck after castration 46 



in mammals after castration 



35 



after ligature of vas deferens 



133 



[sex] characters 450 



bearing of hormones on 466 



classification of 465 fi., 471- 



472 



definition of 3 



development of female, in- 

 duced by ovary 296 



development of male, in- 

 hibited by ovary 296 



difterentiation 270 



full development possible 



without spermatogenesis and 

 spermatozoa 143 



full development possible 



without increase of interstitial 

 cells 156 



fixation of 449 ft. 



genetic system 2, 3, 405-6, 



468 



influence of testicle in 84 



normal development 159, 



160 



Sexual [sex] characters, permanent 



473 



persistence of 453 



persistence after postpuberal 



castration 18 

 puberal development of 123-4, 



152 

 retarded development 163, 



169 

 somatic 63, 168, 297, 335, 



341. 343. 349. 367. 398, 401 



temporary 473 



what we mean by 3, 446 



— dimorphism i, 454 



— fetishism 36 



— [sex] glands 2, 3, 15, 51, 80-1, 

 92, 102, 108, 150, 375, 397, 437, 



442, 475 



and heat 51 



and psycho-sexual behaviour 



103 



antagonism 352 ft. 



basis of genetic system 3 



■ definition of 471, 473 



dependence of man on 15 



experiments with capons 93 



■ — ■ with rats 93 



eftect on sexual characters 



98, 103-4 



extracts of whole 319 ft. 



extracts of parts 322 ft. 



feeding with 92 ft. 



how they act 50 



influence on organism 477-8 



influence on sexual organs 15 



influence on other sexual 



characters 15, 79, 109 



injection of 319 



internal secretions of 79 fl., 



97 



morphogenetic influence 441 



non-sex-specific hormonci 



activity 473 ft'. 

 responsible for psycho-sexual 



behaviour 35 

 questions on 2 



— hormones, isolation of 319 ft. 

 and morphogenesis 441 



• — precocity 167 372, 423, 431 ft., 



483 

 Sheep, influence of castration on 

 skeleton 32 



— interstitial tissue in 122 



— interstitial tissue of ovary 

 Silk moth, castration of 55 

 Skeleton, influence of castration on, 



in animals 29, 32, 33, 446, 462 



in man 8, 14-17 



in birds 40 



in eunuchoids 426 



