1600 



SUBJECT INDEX 



Squalus, hermaphroditism, 1063 

 Squalus acanthias, corpus luteum, 1058 

 Squalus suckleyi, ovum, estradiol-17/3 in, 1070 

 Squid, sperm 



acquisition of motility, 721 

 motility, 765-766, 768 

 Starling 



aggressive behavior by males, castration and, 



1254 

 bill color, androgen and, 1091 

 ovarian follicular growth, 1273 



presence of male and, 1279 

 ovary, secretion of androgen, 1120-1125 

 oviduct, androgenic stimulation of, 1125 

 testis 



environmental temperature and, 1141 

 functioning, presence of male and, 1143 

 light and, 1137 

 vas deferens, androgen and, 1091 

 Steatogenesis, birds, prolactin and, 1102 

 Steganura -paradisea 

 coloring 



bill, luteinizing hormone and, 1120 

 feather, luteinizing hormone and, 1120 

 in luteinizing hormone assay, 1152 

 Stein-Leventlial sxiidronic, 4()6 

 Stellio, pseudohoniiapliroditism, 1066 

 Sterile-obese syndrome, mouse, and reproduction, 



673 

 Sterility (see also Fertility) 

 birds, in hybrids, 48 

 Drosophila 



factor in Y chromosome, 23-24 

 in hybrids, 20-21 

 sex genes and, 13 

 tra gene and, 16 

 hybrids, gene basis, 20-21 

 tortoiseshell cat, 51 

 Sterna fuscata 



breeding activity, inherent rhythms, 1144 

 incubation, 1352 



behavior and broodiness, distinction, 1303 

 Sterna hirundo 

 incubation, 1352 

 by male, 128() 

 Sterna paradisaea 



egg-laying, nesting site and, 1280 

 incubation, 1352-1353 

 Sterninae 



displacement nest -building, 1272 



incubation, tem])oral relation to egg-laving, 



1285 

 parental Ix'havior, role of the sexes, 1299 

 precncial voung, 1298 

 SterNdllii rus ndnrntus 



genital tiacts, (leveh)])inent , 1061 

 gonads, (leveloi)ment , lOlil 

 ovulation, season of, 1049 

 spermatogenesis, seasonal occurrence, 1037 

 testis, seasonal changes in interstitial cells, 1039 

 Steroids (see also entries under individual com- 

 pounds) 

 and tissue respiration, 660 

 biosynthesis, 644-647 

 enterohepatic circulation, 650 

 hormones 



catabolism 648-649 

 comparative potency, 271 

 in blood 

 free, 650 



glucuronide conjugates, 650 

 plasma bound, 650, 661 

 sulfate conjugates, 650 

 mode of action, 661 



Steroids (ronl.) 



in bile, estrogens, 650 

 in urine 



androsterone, 644 

 dehydroepiandrosterone, 647 

 16-epiestriol, 649 

 estriol, 647, 649 

 estrone, 647, 649 

 etiocholanolone, 644 

 glucuronide conjugates, 650 

 ll-jS-hvdrow A 1 androstenedione, 645 

 16-a-hvdrox\<'slrone, (i49 

 ll-keto('tiocliolaii()lone, 644 

 2inet how est rone, 649 

 sulfate C(')niugates, 650 

 tet rahydrocortisol, 644 

 tetr ahy drocortisone , 644 

 mixtures, and testis, 345 

 ovarian, methods for localization, 466 

 STH (Somatotrophin) 

 Stigma of bird ovary, 1114-1115 

 Stilbestrol Csee also Estrogen) 

 activitj' in vivo vs. in vitro, 656 

 and prostate respiration, 659 

 inhil)ition of estradiol-17|8, 656 

 Storeria, corpus luteum, 1059 



Storeria dekayi, sperm storage in female, 1055 

 Stratum ependymale, of median eminence in birds, 



1135 

 Stratum fibrosum of median eminence in birds 

 presence of neurosecretory material, 1135 

 structural relations, 1135 

 Stratum glandulare of median eminence in birds 

 presence of neurosecretory material, 1135 

 structural relation to portal vessels, 1135 

 Strcptnprlia risnria (see Ring dove) 

 Stur-e Wel.er svudn.nie, 64 

 SI II runs nihjttnx (see Starling) 

 Submissive behavior 

 estrogen and, 1255-1257 

 fowl, estrogen and, 1258 

 reproductive state and, 1251-1252, 1256 

 Succinic dehydrogenase 

 histochemical differentiation, 890 

 testosterone and, 660 

 Suckling 



and ACTH release, 612, 1328 

 and galactopoiesis, 611-612 

 and milk-ejection, 1322 

 and oxytocin secretion, 1329-1330 

 and thymus, 1328 

 antidiuretic effect, 1323 

 behavior, 1321 

 Sulfamethazine 



and testicular development in fowl, 1108 

 and thyroid stimulation in male fowl, 1108 

 Sulfhydryl groups, histochemical differentiation, 



' 891 

 Sulidae, egg-laying pattern, 1277 

 Superfemale (see also Metafemale) 

 Drosophila, 11 

 man, 57-58 



chromosomes, 57-58 

 comparison with Drosophila, 57-58 

 Superf elation (see also Superovulation) 

 follicle-stimulating hormone and, 244 

 in European hares, 458 

 in poeciliid fish, 1056 

 Supernumerary sperm, and Ijipaternity in fowl, 



1109 

 Superovulation, 801-802 

 cow, 799 



follicle-stimulating hormone and, 244 

 Sus scrofa (see Pig, domestic) 



