SUBJECT INDEX 



1605 



Transvestism (see also Berdaclip), 1425-1428, 

 1451-1453, 1471 



genotypic sex and, 1427 



gonacial hormones and, 1426 



social learninji and, 1427-1428 

 Trich()i)l(M;i, ditiamclic females, 7 

 Trivhtisiinis nilprriild, pregnancy, length, 9()1 

 Triglyceii(l(>s, histocliemical differentiation, 889 

 Triidothyronine, and sperm production, G69 

 TritKja lolatiKS 



development of song, example of foster species 

 and, 1357 



nest-bviilding, role of sexes, 1270 

 Trionyx, pseudohermaphroditism, 10(36 

 Triphosphopyridine nucleotide 



and adrenal corticoid synthesis, 647 



in estrogen liiosynthesis, 647 



in steroid biosynthesis, 645, 647 



in steroid hydroxylations, 648 

 Triploids, phenotypes in Drosophila americana, 17 

 Tryptophan peroxidase-oxidase, cortisone and 



amount of, 652 

 Triton (see Triturus) 

 Ti-iturus 



chromosome pattern, 44-45 



corpus luteum, 1058 



gonaducts, castration and, 112 



male accessory sex structures, androgens and, 

 1047 



mesonephric duct, seminal vesicle-like structure, 

 1040 



middorsal skin from female, androgen and, 1047 



orchiectomy, and secondary sex characters, 1045 



oviducts, diet hylst ill )estroi and, 1054 



sex dimorphism, cloacal glands, 1043 



testis, seasonal changes, 1038 



Wolffian duct 



development, castration and, 120-121 

 diethylstilbestrol and, 1054 

 Triturus alpestris, mesonephric epithelium, 1040 

 Triturus cristatus 



cloacal glands, conversion to spermathecae, 1055 



mesonephric epithelium, 1040 

 Triturus torosus, gonad transformation, dominance 



of testis, 87 

 Triturus viridescens 



dominance, hvpophvseal gonadotrophins and, 

 1254 



hypophyseal cvtologv, during sexual maturation, 

 202 



pars intermedia functioning, 199 



responsiveness to gonadotrophins, in cross- 

 species tests, 252 



sex dimorphism, hind limb warts, 1042-1043 



sperm storage in female, 1055 



spermatogenesis, seasonal occurrence, 1036 

 Trochilidae 



altricial young, 1298 



parental behavior, role of sexes, 1299 

 Troqlodytes aedon 



egg production, environmental temperature and 

 1141 



incubation, temi)oral relation to egg-laving, 

 1285 



nest -building 



correlation with copidation, 1271 



role of sexes, 1270 



regulation of bodv teni])erature, in nestlings, 

 1356 

 Troglodytes troglodytes 



incubation, ambient temperature and, 1295 



nest -building, role of sexes, 1270 



Troglodytes troglodytes (conf.) 

 ovarian follicular growth, inhibition by parental 

 behavior, 1302 

 Trogonophis, oviduct, 1052 

 Trophotaeniae, 1057 

 Tropidoclonion lineatum, sperm storage in female, 



1055 

 Tropidonotus (see also Natrix) 

 genital tract, development, 1061 

 gonad, dev(>lo|)ment , 1061 

 pseudoherma])hroditism, 10()6 

 testicular, interstitial tissue, seasonal changes 

 1039 

 Tropidonotus natrix 

 sexual segment in, 1041 

 testis regeneration, 1045 

 Tropidonotus viperin us 

 breeding season, 1050 



mating and ovulation, temporal separation, 1050 

 sexual segment, 1041 

 Trout 



genital tract, development, 1060 

 hermai)liroditism, 1063 

 sexual tlifferentiation, estrogen and, 1067 

 Trygon, vivijjai'it v, 1057 

 TSH (Thyrotrophin) 

 Tube intermedaire, 1041 

 Tupaiidae (see Shrew) 

 Turbellarians, sperm, penetration of somatic 



tissue, 744 

 Turdus merula 

 feeding of young, 1356 



incubation, temporal relation to egg-laying, 1285 

 Turdus migratorius , nest, 1269 

 Turdus philomelos, sperm, 1096 

 Turkey 



adrenal, wild compared with domestic birds, 



1354 

 aggressive behavior in male, castration and, 



1254 

 broodiness, testosterone and, 1292 

 congenital malformations, vitamin A and, 691 

 copulatory organ, 1095 

 egg production, enviromental temperature and, 



1142 

 head furnishings, androgen and, 1091 

 hypophyseal gonadal relations, 253 

 incubation 



environmental temperature and, 1142 

 estrogen and, 1292-1293 

 presence of eggs and, 1294 

 progesterone and, 1132, 1293 

 male feathering, 1119 

 masculine behavior by female, 1190 

 mating behavior 



castration and, 1181 

 isolation and, 1216 

 maturation of behavior, parental behavior and, 



1357 

 ovarian follicular growth, progesterone and, 1131 

 parental behavior 

 prolactin and, 1299 

 strain differences, 1354 

 parthenogenetic development, 48, 1115-1116 

 seasonal l^recdiiig cNcle, svnchronization of male 



and lenialc, 1144-1145 

 sinistral ovariectomy, 1114 

 sperm, 1096 



age and fertilizing capacity, 1109-1110 

 metabolism, 760 



storage and embryonic mortality, 1110 

 spermatogenesis, environmental temperature 

 and, 1141-1142 



