SUBJECT INDEX 



1543 



Fowl (cont.) 

 ovulation 



adrenal corticoids and, 1133 



l)l()ckintr agents and, 525, 520, 1132-1133 



(livirnal rhvthms, 520, 528 



estr()fj;(Mi inhil)ition, 1130-1131 



hormonal rolationships, 1149-1151 



hyi)othahunic leisions and, 1135 



neural stimulation and, 1278 



neurohumoral control, 529 



oviducal trauma and, 1278 



pars nervosa ablation and, 1147 



progesterone and, 260, 271, 518, 1132-1133 

 ovulation-egg-laying cycle, regulation, 1146- 



1152 

 ovum 



l)iocliemical components, 810 



(•vt()]ilasmic coniijonents, 810 



yolk deposition, 111()-1117 

 parental behavior 



confinement with chicks and, 1301, 1302 



prolactin and, 1299 



sex dimorphism, 1357 

 ])arthenogenetic development, 48-49, 1115 

 phallus, 127, 1091, 1095 

 pineal body 



and sexual maturation, 1103 



and testis, 1103 

 plumage development, genes compared with 



hormones, 47-48 

 population density, and adrenal functioning, 



1261 

 precocial voung, 1298 



progesterone in blood, 271, 1060, 1094, 1277 

 prolactin 



antigonadal action, 1101-1102, 1291 



level during incubation, 1128 



source, 1098 

 reproduction 



dominance-state and, 1246-1247 



hypophyseal stalk transection and, 283 

 rudimentary right gonad, 253-254 

 ruptured follicle hormone, 1121 

 semen, constituents, 381, 384, 387, 1110 

 seminal fluids, origin, 711 

 sex chromosomes, 1114 

 sex differentiation 



developmental age and, 140-141 



embryonic compared with adult gonadal hor- 

 mones, 147 



inductor substances compared with gonadal 

 homones, 149, 150 

 sex reversal, 1114 



in females, castration of, 8G 



of gonad, morphologic basis, 95-96 

 sexual maturation, inanition and, 1134 



in males, thyroid and, 1105 

 social behavior 



development, 1258 



genetic basis, 1244-1245 



social inertia and, 1247-1249 

 social organization, 1242 

 sperm, 1096-1097 



acquisition of fertilizing capacity, 720 



age at fertilization and embryonic develop- 

 ment, 739, 1110 



age of and fertilizing capacity, 1109-1110 



ttagellum, 753 



"gallin" content, 755 



metabolism, 760, 761, 1111 



preservation of, 728 



transport 



epididymal, 712, 1096 

 in female, 731 



Fowl (cont.) 



spermatogenesis 



body temperature and, 1089 

 thyroid and, 1105 

 spur growth, 1091-1092 



submissive behavior, estrogen and, 1256, 1258 

 testis 



adrenalectomy and, 1103 



development, coefficients of variability, 1105 



drug action and, 1108 



hypophvsectomv and, 1100 



light and, 1137 " 



progesterone and, 1105 



prolactin and, 1101 



responsiveness to gonadotrophins, inanition 



and, 681 

 vitamin deficiencies and, 681, 1107-1108 

 thyroid functioning, hypophyseal stalk transec- 

 tion and, 283 

 tissue responsiveness 



to androgen, nutritional deficiency and male 



accessories, 683 

 to estrogen 



vitamin B complex and oviduct, 1125-1126 

 vitamin D and oviduct, 1125 

 to prolactin, strain differences, 1354 

 uropygial gland, androgen and, 1091 

 Wolfian duct development, androgen and, 113, 

 120 

 Freemartin, 51-52, 76-78, 146 

 attempts to produce, 78-79 

 gonad structure, 102-103, 143 

 gonad transformation, 110 

 hormonal activity of fetal gonads, 143, 145 

 in birds, 79 



phallus differentiation, gonadal hormones and, 

 127 

 Fringilla coelebs 



courtship behavior, dominance and, 1279-1280 

 development of song, parental example and, 



1357 

 expression of song, androgen and, 1357 

 dominance of sexes, seasonal reversal, 1250 

 drive -interaction 



aggressiveness and sex behavior, 1250 

 hunger and submissiveness, 1250 

 egg-laying, courtship by males and, 1276 

 nest-building 



courtship by males and, 1276 

 experience and, 1334 

 seminiferous tubules, cholesterol in, 1093 

 sperm, 1096 

 Frog (see Rana sp.) 

 Fructose 



formation, in male accessory reproductive 



glands, dietary deficiencies and, 384 

 in blood of fetal ungulates, 393 

 in prostate, androgen and, 405, 406, 408 

 insulin and amount in semen, 383 

 secretion 

 by prostate, 382, 394 

 progesterone and, 426 

 seminal, 381-385, 393, 659 

 FSH (Follicle-stimulating hormone) 

 Fulica americana, parental behavior, 1301 

 Fulica atra 

 nest-building 



role of sexes, 1270 



temporal relation to copulation, 1272 

 sperm, 1096 

 Fulmaris glacialis, altricial young, 1298 

 Fundulus 



hermaphroditism, 1063 



