GENERAL INDEX 



505 



Guinea pig, mammae in 28 



— mammary gland in 327 



— masculinization 299 



— ovarian transplantation 88-9 



— ovulation 257 



— penis in 20, 23 



— psycho-sexual condition after 

 castration 34 



— puberal development 123 



— retention of testicle 142 



— seminal vesicles in 21, 23 



— sexual activity in 163 



— testicle of 112 



— unilateral castration 130 



— uterus in 28, 88 



Hair in normal and castrated man 

 6, 9-10, 12, 85 



— in castrated woman 13, 14 

 ■ — • in eunuchoid state 85 



— in sexud precocity 373, 345 

 Hair-growth, influence by sex hor- 

 mones 15, 466 ft. 



— in feminized male 295 



— in mascuhnized female 304 

 Hares, heat after castration 36 

 Head apparel of cock after castra- 

 tion 38, 41, 192 



^ -^ in experimental herma- 



phoditism 364, 391, 395 



Heat 99-101, 162, 172, 188, 195, 

 197, 261, 263-4, 268, 336 



— in prepuberally castrated animal 

 28 



— clasp reflex in heat 99 



— corpus luteum in 255 

 Hedgehog t8, 29, 36 



— after postpuberal castration 29 



— changes in interstitial tissue 

 1 70-1 



Hen, masculinization 309 



— plumage 42-3, 207 



— results of castration 42, 312 



— {see also cock) 

 Hen-feathering 393-4, 442, 463, 478 



— dependence upon sexual glands 



50 

 Hens' eggs, transplantation on 310, 



378, 390 

 Heredity 456 ff. 



— sex-limited 458 

 Hermaphrodite birds 275, 309 



— experimental, somatic charac- 

 ters 359 ff. 



— gland 63, 367 



— puberty gland 366 

 Hermaphroditism 349 ff., 436 



— experimental 351 ff., 436 



— psycho-sexual behaviour 364 ft". 



Heterotransplantation 64, 352, 

 484, 492 



— definition of 81 



— in man 88 



— in rabbits and guinea pigs on 

 hares 89 



— in tritons 286 

 Hibernating mammals, change in 



interstitial tissue 171 

 Hibernation 344-5 



— interstitial tissue during 171 

 Hilum ovarii, extract of 330 

 Holzknecht-units 230-34 

 Homoiotransplantation 238, 242, 



305. 491-2 



— definition of 81 



— in fowls 82 



— in rabbits' ovaries 90 



— in rats and guinea pigs 83, 235 



— in woman 491 

 Homosexuality 86, 351, 367 ft. 



— in moths 369 



Hormones 80, 96, 99, 193-4, 19^, 

 235, 262, 266, 269, 342, 405, 

 441 ft., 443. 445, 448, 450, 453, 

 461, 463 



— antagonism of 357 



— bearing on sex characters 466 



— difterent action of male and 

 female 293 



— excess of, in organism 165 



— experiments in isolation 323 



— isolation of 319 ft. 



— sex specific action of 285 ft., 



306, 320, 446, 461-2, 465, 493 

 Hormone-production, 103, 199, 



237, 256-7, 273-5, 322, 367-8, 

 396, 399, 429, 454. 459-60, 483, 

 492 



— follicular theory of 176-7, 185, 

 187, 272, 471 



Hormonic action, increased 162-3 



of spermatogenetic cells 196 



specific 287 



— activity of sex glands, non-sex- 

 specific 473 



— effect 155, 181-2, 241-2 

 dependence upon quantity of 



testicular hormones 167 



proportional 166 



Horny styles in guinea pig 22, 129 

 in masculinized female guinea 



pig 302 

 Horse, castration of 18 



— interstitial cells 122 



— ovulation 253 



- — sexual activity after castration 



35 



— with retained testicle 142 

 Hyaline degeneration 251 



