1542 



SUBJECT INDEX 



Fox, red 



litter size, 960 

 pregnancy, length, 960 

 Fowl 



adrenal functioning, hypophyseal stalk transec- 

 tion and, 283 " 

 ancestry, 1277 

 aggressive behavior, androgen and, 1247, 1254, 



1255, 1258-1259 

 androgen secretion rate, 1090 

 artificial insemination, 727, 728 

 body temperature of male, prolactin and, 1347 

 bone formation, androgen-estrogen synergism 



and, 1120 

 breeding cycle, fluctuation in tissues of hypotha- 



lamic-hypophyseal-ovarian axis, 1145 

 bursa of Fabricius, androgen and, 1091 

 calcium metabolism 



androgen-estrogen synergism and, 1120 



estrogen-parathyroid interactions, 1118-1119 

 cock feathering, 1119 

 comb 



ACTH and, 1103 



androgen and, 659, 1090 

 copulatory organ, 1095 



androgen and, 127, 1091 

 dominance behavior, 1243 



gonadal hormones and, 1255 



learning and development of, 1258 



psychologic state and, 1255 

 egg-laying 



amino acids and, 684 



pars nervosa ablation and, 1147 



pattern, 1277, 1282 



physiologic regulation, 1147-1148 



progesterone and, 1105-1106 



regulation by light, 1137, 1145-1146 

 ejaculation, 1095 

 embryonic abnormality, irradiation of sperm 



and, 771 

 embryonic gonads, endocrine activity, 143-144 

 embryonic mortality 



age of sperm and, 739, 1110 



folic acid deficiency and, 692 

 epididymis 



anatomy, 1094-1095 



development, fetal testis and, 715 

 erythrocytes, androgens and, 1091 

 estrogen 



actions on male, 1106 



secretion by male, 1106 

 feather follicles, prolactin and, 1102 

 fertility and comb-size, 1091 

 formation of egg, 1116-1117, 1122-1123, 1147 

 germ cell origin, 804 

 gonad development, 96 



hypophysis and, 132-133 

 gonaduct development, hypophysis and, 133 

 gynandromorphs, somatic basis, 139 

 hj'pophyseal anatomy, 1099 

 hypophyseal cytology 



"adrenalectomy and, 197 



basophils, 188 

 hypophyseal function, role of cell types, 1098 

 hypophyseal gonadal relations, 253 



in embryo, 132 

 hypophyseal gonadotrophin, interspecies tests, 

 "1126-1127 



secretion 



age of animal and, 256-257, 1129 



estrogen and follicle-stimulating hormone, 



265 

 inanition and, 1134 

 interruption of portal vessels and, 1135-1136 



Fowl icont.) 



hypophyseal gonadotrophin (cont.) 



secretion (cont.) 



pineal body and, 1103 

 seasonal fluctuations, 259 

 sex differences, 256-257 

 identification of genetic sex, 1112 

 in bioassay 



for ACTH, 1153 



for androgen, 1090, 1154 



for gonadotrophins, 1152-1153 



for oxytocin, 1153-1154 



for thyroid-stimulating hormone, 1153 

 incubation behavior 



age of hen and, 1335 



and l)roo(Hiiess, distinction, 1303 



and secretion of prolactin, 1296 



gonadal hormones and, 1292, 1293, 1353 



hypophyseal prolactin during, 1289-1290 



presence of eggs and, 1294 



prolactin and, 1102, 1128, 1289-1291, 1354 



strain differences, 1354 



testosterone and, 1292 



turning the eggs, 1356 

 intcrmctiin, cellular origin, 200 

 lympliomatosis, androgen and, 1091 

 rnale re|)r(Kluctive tract, structure, 1094-1095 

 masculine beliavior l)y female, 1190 



androgen and, 1197 

 masculine behavior l)y male, estrogen and, 1194 

 mating behavior, 1175 



absence during incubation, 1291 



by feminized males, 1200-1201 



of capons, implantation of ovary and, 1201- 

 1202 



of female, estrogen and, 1275 



of male 



age of animal and, 1202 

 androgen and, 1184 

 castration and, 1181 

 genetic factors, 1214 

 methods of scoring, 1177 

 psychologic factors and, 1216 

 stability of patterns, 1179-1180 



thyroid a"nd, 1210, 1211 

 molting, prolactin and, 1102 

 Miillerian duct development 



gonadal hormones and, 112-115 



in male, critical period, 119 

 mutants, tabulation of, 4 

 nest-building correlation 



with copulation, 1271 



with follicular growth, 1274-1275 

 neurosecretion, 1135 

 oogenesis, 1115, 1116 

 ovarian development, comparison with birds of 



prey, 1112 

 ovarian follicular growth, 1272-1273 



hypophyseal gonadotrophins and, 1277 



progesterone and, 1132 



prolactin and, 1128 

 ovarian functioning 



estrogen and, 1130-1131 



thyroid and, 1133 

 ovarian responsiveness to gonadotrophin, in- 

 anition and, 687 

 ovary 



an"atomy, 1114-1115 



androgen and, 1131 

 oviduct 



androgenic stimulation, 1125 



ciliary currents, 732 



folic 'acid and, 688 

 ovotestis, 1112 



