SUBJECT INDEX 



1525 



Breeding types (cont.) 

 intermediate, 316-317 

 seasonal, 315-316 

 Brood parasites, egg-laying by, 1281-1282 

 Broodiness (see also Incubation) 

 and incubation behavior 



back and forth shifts in Nyrtirorax, 1303 

 distinction, 1302 

 estrogen-suppression in fowl, 254 

 in male Heniirhromis, castration and, 1180 

 in turkey, environmental temperature and, 1142 

 prohictin and, in birds, 254 

 Bucerotidae, incubation pattern, 1284 

 Budgerigar (see Melopsittacus iindulatiis) 

 Bufo (see also Anura, Toad) 

 corpus luteum, 1058 



male sex accessorv structures, orchiectomv and, 

 1045 

 Bufo americanus 



gonad resjioiisivciicss to ^onadotrophins in 



cross s])('ci('s tests, 252 

 gonad transformation, gonadal hormones and, 



92, 93 

 sexual dimorphism, forelimb muscles, 1043 

 Bufo arenarum 



gonad responsiveness to gonadotrophins in 



cross-species tests, 252, 253 

 in pregnancy tests, 253, 98(5-988 

 oviducts, ovarian hormones and, 1052, 1054 

 spermiation, 253 

 Bujo bufo 



accessory sex structures of tadpoles, progester- 

 one and, 1054 

 gonad responsiveness to gonodotrophins in 



cross -species tests, 252 

 spermatogenesis, seasonal occurrence, 1037 

 Bufo tuclanosdctus, gonad responsiveness to 

 gonodotrophins in cross-species tests, 

 252 

 Bufo ruU/aris, secondary sex characters, androgen 



and, 1046 

 Bulbo-urethral glands (see also Male accessory 

 reproductive glands) 

 embryonic origin, 367 

 gross characteristics, 368-369 

 occurrence in mammals, 368 

 structure in rabbit, 372, 373 

 Bulbovcstibular glands 

 gross characteristics, 369 

 homologies, 367-369 

 occurrence in mammals, 368 

 Bursa of Fabricius, fowl, androgen and, 1091 

 Buleo amiansis borealis, embryonic ovaries, com- 

 parison with fowl, 1112 

 Buteoninae, ovary, symmetrical development, 1111 

 Butorides virescens, nest -building, role of sexes, 

 1270 



Caecobarbus qeerstii, hypophyseal basophils. 188 

 Calcemia, birds 



estrogens and, 1117-1119 



thyroid hormone and, 1117 

 Calcium metabolism, birds, 1117-1119 



androgen -estrogen synergism and, 1120 

 Ciilidris nipiiia. sperm, 1096 

 ('(ilhipcllis. i)seu(lohermaphroditism, 1066 

 Cullorhiii us alascamis 



delayed implantation, 851 



nursing-suckling relationship, 1321 



sea-to-shore movement, mammary distension 

 and, 1331 

 Callorhinus ursinus, pregnancy, length, 961 

 Callosriurus leiicomus, hair-i)lucking at parturi- 

 tion, 1306 



Caloric intake and pregnancy, 690 



Calypte anna, territoriality, breeding cycle and, 



1252 

 Camel 



bactrachian, pregnancy, length, 960 

 neurohypophyseal hormones, vasopressinoxyto- 

 cin ratio, 229 

 Camelidae 

 mother-young relationships, development, 1336 

 parturitive behavior, 1311, 1312 

 Canary 

 egg-iaying 



nesting material and, 1143 

 presence of male and, 1280 

 presence of nest and, 1281 

 incul)ation 



l)rogester()ne and, 1293, 1353 

 l)r()lactin and, 1290-1291 

 light-stinudated reproductive activity, refrac- 

 tory period, 1139 

 masculine behavior bv female, androgen and, 



1197 

 mating behavior in female, androgen and, 1351 

 nest-building 

 experience and, 1334, 1335 

 presence of male ancl, 1276 

 progesterone and, 1275 

 sex dimorphism, 1351 

 temporal relation 

 to copulation, 1271 

 to egg-laying, 1273 

 to follicular growth, 1274 

 ovarian follicular growth, pregnant mare serum 



and, 1128 

 ovulation 



nesting material and, 1281 

 pregnant mare serum and, 1128 

 submissive behavior, estrogen and, 1256 

 Canidae 



ovulation, temporal relation to heat, 457 

 ovum maturation, temporal relation to ovula- 

 tion, 818 

 Canis familiaris (see Dog) 

 Canis latrans 



breeding season, 502 

 identification of genetic sex, 55 

 litter size, 960 

 pi-("giiaiic.\-, length, 960 

 Cduis h/inn'u (see Wolf) 



a pi 



a //, 



Coat) 



Capreohis i<i prculuii 



breeding season, 502 



delayed implantation, 851 



ovum, tubal, 828 

 Capuchin, pregnancy, length, 960 

 Carassius 



blood calcium, estradiol and, 1070 



blood phosphorus, etsradiol and, 1070 



blood protein, estradiol and, 1070 



hermaphroditism, 1063 

 Carassius auraius 



genital tracts, development, 1060 



spawning, seasonal occurrence, 1036 

 Carbohydrates and reproduction, 676, 685 

 Carbonic anhydrase 



endometrium, 996 



in FallojMan tulies, 996 



in placenta, 996 



progesterone and, 997 



serum gonadotrophin and, 997 



uterine levels 



during i)regnancy, 996-997 

 in pseudopregnancy, 997 



