1566 



SUBJECT INDEX 



Monkey (cont.) 



vaginal responsiveness to estrogen, cyclic 

 fluctuations, 509 

 Monocanthus cirrhifer 



dorsal fin rays, testosterone and, 1069 

 vas deferens, lest osterone and, 1069 

 Monopterus, licrinapliioditism, 1063 

 Monopterus jdidNiNsis, sex reversal, 1064 

 Monotremata 



bulbo-urethral glands, type, 368 

 bulbovestibular glands, opening of ducts, 369 

 cloaca, regional differentiation, 377 

 male accessory reproductive glands, 368 

 ovum, mucous coat, 815 

 testis, location, 309 

 Mormoniella, mechanism of sex determination, 34 

 Morone, hermaphroditism, 1063 

 Mosaics 

 Drosophila 



phenotypic, ring chromosomes and, 21-22 

 ring chromosome, 21-22 

 pigeons, bipaternity and, 1109 

 sex, somatic cell cleavages and, 22 

 Mother-young relationship 



mammals, development, 1335-1337 

 species differences, 1352-1353 

 Mouse 



adrenal androgen and male accessory sex glands, 



423 

 adrenal cortex 



luteinizing hormone and X-zone, 247 

 sex dimorphism, 482 

 African species, female prostates, 375 

 aggressive behavior, 1243 

 androgen and, 1254-1255 

 population density and, 1261 

 selective l)reeding and, 1355 

 sex dini<)r])hism, 1254-1255 

 ampuUary glands, 376 

 anovulatory cycles, 499 

 artificial insemination, 727 

 behavior maturation, critical periods, 1404 

 chromosome pattern, 50 

 coagulating gland, 373, 411-413, 416 



androgen and, 412-414 

 congenital defects, absence of germ cells, 802, 804 

 corpus luteum 



degrees of functional activity, 531 

 functional life, 460 

 functioning, coitus and, 498 

 developing ovum 



blastomere potentialitj% 847 

 cleavage rate, 846 

 free uterine period, 851 

 shrinkage, 847 

 tubal transport time, 846 

 development of behavior, social contact and, 



1358 

 drive-interaction, hunger and aggressiveness, 



1250 

 duodenal alkaline phosphatase, responsiveness 



to cortisone, 1185 

 embryonic gonads, gonadal hormones and, 100 

 embryo, culture of, 800 



estrogen secretion, follicle-stimulating hormone 

 luteinizing hormone synergism and, 

 247-248 

 European field 



breeding season, 502 

 mammary gland development, 129-131 

 Miillerian duct development in males, estro- 

 gens and, 113 

 feminine behavior by males, gonadal hormones 

 and, 1195 



Mouse (cont.) 

 fertilization 



cytology, 827, 834-835, 841, 842-843 



supernumerary sperm, 844 

 fetal abnormality, irradiation of sperm and, 771 

 fetal loss 



folic acid deficiency and, 692 



high environmental temperature and, 962 

 fetal testis, interstitial cells, 145 

 genital tract development, hypophysis and, 145 

 germ cell origin, 802 



gonad development, hypophysis and, 133 

 gynandromorph, 117, 149-150 

 hair growth, progesterone and, 1347 

 hermaphroditism, 61 

 hypophyseal gonadotrophin secretion 



progesterone-suppression of, 518 



pregnancy and, 261 

 implantation 



endometrial changes, 861 



hypoi)hysectomy and, 851 



lactation delay, 851 



psychologic block, 1031 

 in pregnancy tests, 986, 987 

 intersexes, androgen and masculine behavior, 



1197 

 lactation 



and prolactin level, 205 



hormone requirements, 610, 612 



suckling and, 1325, 1326 

 male accessory sex glands 



ovarian hormones and, 425-428, 429 



rate of castrational involution, 420-421 

 mammary development 



fetal gonadal hormones and, 592 



hormone requirements, 131, 599, 602, 604 



postnatal, 595 



prenatal, 591, 592 

 mammary gland, postparturitional, 590 

 mammary tissue RQ, insulin and, 619 

 mating behavior in female 



adrenal corticoids and, 1210 



estrogen-progesterone and, 1188 

 postpartum estrus, 459 

 Miillerian duct development, gonadal hormones 



and, 114, 115, 146 

 muscles of male, androgen and, 1186 

 mutants, tabulation of, 4 

 neonatal mortality, gene interaction, 28 

 nest-building 



comparison with retrieving behavior, 1315 



environmental temperature and, 1309, 1346 



gonadal hormones and, 1308, 1347, 1353 



pregnancy and, 1308 



presence of young and, 1309-1310 



sex dimorphism, 1308, 1309 



temporal relation to parturition, 1306, 1347, 

 1353 

 oogenesis, estrogen and, 451 

 ovarian follicular growth 



age of animal and, 478 



during lactation, 459 

 ovarian functioning 



crowding and, 1342 



protein diet and, 684, 687 



thyroid and, 480 

 ovary, age of animal and responsiveness to 



gonadotroph! ns, 478 

 oviducal epithelium, structure, 823-824 

 oviducal-ovarian relationship, 819 

 oviduct, cyclic dilation of ampulla, 821-822 

 ovulation, temporal relation to heat, 457, 514 

 ovum 



collection of, 798 



