504 



GENERAL INDEX 



Fat in castration of animals 33 

 - — in castration of birds 40 



— in eunuchoids 426, 430 

 ■ — in feminized male 295 



— in interstitial cells 115, 116, 163 



— in prepuberal castration 7 



— in postpuberal castration 12- 

 14:85 



Feeding with sexual gland 92 



— with testicular substance 93 

 Female and male, transition be- 

 tween 4 



— phases of puberty in 267 

 Feminization 64, 287 ff., 393, 396, 



408, 442, 448, 450, 453-4, 462 



— change in body growth and pro- 

 portions 294-6 



— condition of hypophysis in 4 74 



— rudimentary male organs in 290 

 Fertilization 252, 261, 267, 344, 



401-2, 446, 448 

 Fetishism, sexual 36 

 Fiddler crab 313 

 Fishes, castration of 54 



— corpus luteum in 249 



— interstitial cells in 186 

 Fixation of sex characters 449 ff. 

 Foetus, condition of, in freemartins 



384-8 

 — ■ extracts of 321 

 Follicle, an endocrine apparatus 



I77> 234 



— and corpus luteum 249-50 



— internal secretions of 265 



■ — obhterated by X-rays 230, 239, 



255 



— puncture of ripe 253 

 Follicular atresia in ovar}^ 223, 



231, 233, 236, 238, 255, 269, 270 



— development 245 



accelerated 241-2, 269 



— theory of hormone-production 

 176-7, 185, 187, 272, 471 



Fowls, comb in 396, 473 



— experiments on 169, 307 ft. 



— plumage, 307 



- — results of castration in 46 

 Freemartin 359, 383-90, 445, 452, 



454. 469 

 Frogs, clasp reflex in, 51, ^^^, 95, 

 98-101, 273, 285 



— difference from mammals in 

 reaction of testicular fragment 

 161 



— heat in 51 



— hypertrophy of testicular frag- 

 ment 161 



— oestral sound in 52 



— pad in 51, 53, 97, 285-6, 473 



— partial castration 273 



Frogs, results of castration 51 

 — - vesiculae seminales 51 



— testicular injection experiments 

 95 



— testicular transplantation 90 

 "Furtherance" 467, 469 



Galvanocauterization 55, 190 

 Gammarus chevreuxi 402-3 

 Gasterosteus aculeatus 187, 199 

 Generative cells i, 3, 63, 120. 121, 



126, 396, 460, 469 

 Genes 464 

 Genetic factors 47, 459-60, 464-5 



— S5^stem of sexual characters 2-4, 

 411, 468, 470 



Genital passages, secretion of, and 

 vitality of spermatozoa 343 ff. 

 Gipsy moth, see Moth 

 Glandular cells 116, 188, 193 

 Glands of internal secretion, changes 



after castration 33 

 "Glande interstitielle " ' 109 

 Goat's testicle 88, 462 



— interstitial tissue of ovary 214 

 Goldfinch 48 



Gonads 15, 64, 103-4, 350, 424 



— bisexual 411 



— definition of 473 



— not factor in intersexuality 402 



— not necessary for development 

 of secondary sexual characters 15 



Graft, puncture of, in transplanta- 

 tion 8^ 



Granules of protein nature in 

 testicle of man 115 



— in interstitial cells 116 

 Graafian follicles 263-4 



rupture of 253 



Graviditatis, corpus luteum of 259- 



60, 268, 271 

 Gravidity, interstitial tissue during 



222, 226-7 

 Growth, body, after castration 37 

 under testicular graft 303 



— curve of, in interstitial tissue 188 



— intensity 65, 368, 404, 450 

 Guinea pig, auto- and homoio- 



transplantation 83 



— castration results 20-24, 34- 83 



— experimental hermaphrodite 



363 ff. 



— extirpation of lumbosacral part 

 of sympathetic nerve 142 



— feminization 288 



— horny styles in 22, 24, 129, 302 



— hypophysis after castration 32 



— interstitial tissue in 122 



— irradiation effect 154 



— ligature of vas deferens 127, 133 



