1574 



SUBJECT INDEX 



Paraplegics, sexual functioning of male, 322 

 Paraprostate glands, rabbit, structure, 372, 373 

 Parathyroid 



and behavior in man, 1174 

 and lactation, 618-619 



hormone, interaction with estrogen in birds, 

 1118-1119 

 Paravaginal glands in Hemicentetes, 374 

 Parental behavior (see also Retrieving behavior) 

 age of animal and, 1334-1335 

 birds, 1298-1304 



and development 



of behavior in young, 1356 1357 

 of young, 1355-1357 



androgen inhibition of, 1300 



estrogen inhil)ition of, 1300 



external stimuli and, 1300-1301 



level of i)n)lactin and, 1299-1300, 1302 



role of the sexes, 1298-1299, 1302-1303 

 cat, hypophysectoniy and, 1313, 1316 

 Cuculidne, evolution, 1352 

 deer mouse sul)species differences, 1355 

 definition, 1269 



development of, 1334-1340, 1357-1359 

 dog, experience and, 1339 

 experience and, 1332, 1340 

 man, facets of gender role, 1421-1423 

 mouse, strain differences in cannibalism, 1354- 



1355 

 rabbits, strain differences, 1354 

 rat 



cortical lesions and, 1338-1339 



estrone inhibition, 1331 



experience and, 1343 



hypothalamic mediation in male, 1349, 1350 



neural lesions and, 1338-1339 



pars nervosa ablation and, 1147 

 recognition of young, 1336-1337 

 ring doves 



atypical, 1340 



experience and, 1340 

 rodents, experience and, 1333, 1334 

 species differences, 1352-1353 

 specificity, 1320 



turkeys, strain differences, 1354 

 Pars intermedia 



hj'pothahunie lesions and, 280 

 staining reactions, 199-201 

 stalk section and, 199 

 Pars nervosa 

 fowl 



and egg-laying, 1147 



and ovulation, 1147 

 neurosecretion, dehydration and, 226 

 rat 



and lactation, 1147 



and maternal behavior, 1147 



and pregnancy, 1147 

 snakes, and parturition, 1059 

 Parthenogenesis 

 birds, 48-49, 1115-1116 



sex chromosome types, 50 

 chromosome behavior, 22 

 Drosophila, 22-23 

 fowl, 48-49 



fowl pox vaccination and, 48 

 Lebistes, 1070 

 sex determination in, 22 

 turkey, 48 



fowl pox vaccine and, 1116 

 Xiphophonis, 1070 

 Parthenogenetic development 

 bees, manner of, 34 



Parthenogenetic development (cont.) 

 Drosophila 



and embryonic mortality, 22 

 manner of, 34 

 Parturition, 1015-1018 



and adrenal corticoid levels, 978-979 

 and blood gestagen level in rabbit, 968 

 and nest-l)uildiiig, 1306 

 and prolactin secretion, 1325-1326 

 changes in behavior, 1305-1306 

 garter snake, estrogen inhibition, 1069 

 hypophyseal cytology, 205 

 hypophysis and, 1016 

 Lacerta 



hypophysectoniy and, 1059 

 ovariectomy and, 1059 

 l)rogesterone and, 1059 

 man, rituals, 1467 

 oxytocin and, 1015-1016, 1018 

 progesterone and, 661, 1005, 1015 

 relaxin and, 1016-1017 

 snakes 



hypophysectoniy and, 1059 

 posterior pituitary and, 1059 

 thyroid and, 999-1000 

 uterine contraction sequence, 1017-1018 

 Parturitive behavior, 1310 1312 

 cannibalism, 1313 

 cat 



hypophysectomy and, 1313 

 sympathectomy and, 1313 

 monkey, hypophysectoniy and, 1313 

 placentophagy, 1312-1313 

 Parus, neurohypophysis, blood supply, 1099 

 Parus atricapillus, incubation, temporal relation 



to egg -laying, 1284 

 Parus major 



nest-building, role of sexes, 1271 

 social behavior, genetic basis, 1244 

 PAS-positive substances, histochemical differen- 

 tiation, 889 

 Passer domesticus (see Sparrow) 

 Passerine cyanea, bill color, androgen and, 1091 

 Passerine birds 



seminal vesicles, 1095 

 androgen and, 1091 

 spenn.itozda, abdominal cooling of, 713 

 Patsch, heriiiapliroditism, 1062 

 Pelias, pseudohermaphroditism, 1066 

 Pelicanidae 



altricial young, 1298 

 incubation patch, 1287 

 Pelicanus occidentalis, regulation of body tem- 

 perature in nestlings, 1356 

 Pelvic gland, Desmognathus, androgen and, 1047 

 Pelvic relaxation (see also Relaxin) 

 histochemical reactions, 1010 

 mechanisms, 1008-1011 

 microscopic changes, 1010 

 ovarian hormones and, 1008-1011 

 relaxin and, 973 

 Penis (see also Intromittent organ. Phallus) 

 alligator, androgen and, 1047, 1069 

 birds, 1095-1096 



crocodilians, sex dimorphism, 1042 

 duck 

 estradiol and development of, 127 



critical period, 127 

 testosterone and development of, 127, 1091 

 goose, androgen and, 1091 

 mammals, sexogens and development of, 122, 



126-128 

 man 



and erotic cognition, 1395-1396 



