GENERAL INDEX 



509 



Phylogenetic phase 58, 442, 459- 



60, 463 

 Physiology of the clasp reflex 98 



— of the prostate gland 338 ff. 



— of the seminal vesicles ^^5 ft. 

 Pigs, hermaphroditism in 390 



— interstitial tissue in 122, 215 



— ovulation 253 



— retained testicle in 143, 145 

 Pineal body, functional relation to 



sexual glands 437 



— gland 33, 436-7 



in pubertas praecox 436 



Placenta 255, 262, 267 



— extracts of 321, 323-5 

 Planaria, castration of 68-9 

 Plasticity of the organs 404 

 Pleurodeles waltli 190 

 Plumage of fowls 37, 39, 43, 47, 



49, 71. 451, 463 



— of ducks 44 



— in experimental hermaphrodit- 

 ism 364, 391, 395-6 



— in castrated cock 37 



— in castrated hen 43 



— in castrated duck 44 



— persistence of 453 

 Plymouth rocks 38, 458-61 

 Poisons, eftect on interstitial cells 



178 

 Portax pictus 443 

 Postpuberal castration 12, 15 



in animals ^5 



■ in the cock 40 



in man 1 2 



in woman 13, 14 



observation of eftect 1 2 



persistence of sex characters 



after i 8 

 psychical disturbance in man 



and woman 14 



sexual libido in 12 



Practical aspects 483 ft. 



— classification system of sex 

 characters 472 



Precocity, sexual 167, 372, 423, 

 431 ft., 483 



hormonic basis 438 



Pregnancy 268-9 



— and menstruation 260 



— and puberty 267 



— puncture of ripe follicles 253 

 Prepuberal castration, in animals 



35 



in cock (capon) 40 



in man 6 



in mammals 25 



Prepuberally castrated man 6 



effect on general intelhgence 



14 



Prepuberally castrated man, devel- 

 opment after castration 18 

 — ■ — erection in 12, 14 



genital organs in 6 



prolonged prepuberal stage 1 7 



psycho-sexual behaviour 12 



psychical disturbance in 12 



Prepuberally castrated rat, in fem- 

 inization 289 

 Preputial secretion, in castrated 

 guinea pig 22-3 



in masculinized female 302 



Primary sexual characters i, 471 

 Problem of rejuvenation 483 

 Pro-oestrum 264, 265 

 Prostate gland 172, 425 



— in castrated rat 20 

 — • in feminization 289 



— in transplantation of testicle 83 



— influence of X-rays on 154 



— influence on sex characters 335 ft. 



— injection of 339 



— physiology of 338 



— removal of 340-1 

 Prostatectomy 338, 342 

 Prostate tissue, dried 342 

 Prostatic injections, eftect of 339 

 Proteins, introduction in organism 



in excess 164—5, 320 

 " Protrahierte Unreife" 17 

 Pseudo - hermaphroditism 15, 



349 ft-, 377 

 Pseudo-pregnancy 253 

 Psycho-sexual behaviour 33, 351, 



367, 424, 430, 450, 469 

 after castration 33, 35, 40, 



84. 129 

 and sex glands, relation be- 

 tween 103. ^35, 342-3, 368 

 in experimental hermaphro- 

 ditism 358, 364 ft. 



in fowls 40 



in guinea pigs 129, 298 



in man and mammals 35, 



102-4 



external factors 102 



in pubertas praecox 435 



in rat 84, 298 



influence of ovary 297 



of feminized cock 308 



— ■ — quantitative laws 166 

 Puberal development of uterus 231 

 Pubertas praecox 167, 372, 432 



— skeleton in 434 



Puberty, phases of, in female 126, 

 267 ft. 



in male 175-6, 185, 269 



Puberty gland 109, 152, 154, 268, 



454, 493 

 ■ hermaphrodite 366 



