SUBJECT INDEX 



1585 



Rana (cont.) 



amplexus, androgen and, 1044, 1()4() 



lireoding cyclos, algae and, 27(1 



chi-oinosonu' ]>attern, 44-45 



corpus luteuni, 1058 



development of lid flnsuro roHex, thyroxine 



and, 134S 

 embryonic defects 



irradiation of sperm and, 770-771 

 ovum age at fertilization and, 848 

 estrogen actions, folic acid and, G88 

 gonad transformation 



gonadal hormones and, 92-93, 95 

 in females, androgen and, 92, 93 

 hvpophvsoMl (•vt()h)gv, carminophil-orangeophil 



'distinction, 177-178 

 hypoi)hyst"al portal vessels, 275 

 mating Ix'havior of males, castration and, 1180 

 Mauthner's eells, thyroid and atrophy of, 1348 

 median eniincncc, 275 



mesonephric duct, sperm storage in, 1040 

 ovum, vitamins in, 080 

 pars intermedia functioning, 199 

 sex accessories, androgen and, 1045-1046 

 sex dimorphism, linea masculins, 1043 

 sex ratio, ovum age at fertilization and, 848 

 sex reversal of females, estrogen and, 143 

 sperm, metabolism, 758 

 spermatogenesis, seasonal occurrence, 1037 

 territoriality, reproductive state and, 1250 

 liana aiiidis, gonad transformation in females, 



androgen and, 93 

 Rana catesbiana 

 gonad 



differentiation, hvpoph-s'seal gonadot rophins 



and, 132 

 transformation, gonadal hormones and, 92, 

 93, 95 

 Rana clamitans, gonad transformation, hetero- 



typical gonadal hormones and, 93 

 Rana esculenta 



gonad transformation 

 in females, paradoxical effects of estradiol, 94 

 in males, estradiol and, 93 

 responsiveness to gonadotropliins in cross- 

 species tests, 252 

 spermiation, 252 



testicular interstitial tissue, seasonal changes, 

 1038 

 Rana nigromaculata, ovitluct, ciliary action, 823 

 Rana pipiens 



follicle-stimulating hormone action on ovarv, 



252 

 gonad transformation, heterotypical gonadal 



hormones and, 93 

 in pregnancy tests, 253 

 nuptial pads, androgen and, 1046 

 oviduct 



estrone and, 1054 

 in male, 1052 



androgen and, 1046 

 ovariectomv and, 1052 

 ovulation, 1049 



peritoneal cilia, estrone and, 1054 

 responsiveness to gonadotrophins in cross- 

 species tests, 252, 987-988 

 spermiation, 252, 253 

 Rana sylvatica 



embryonic hypophj'sis, inductor relations, 162 

 gonad transformation 



dominance of testis and, 87 

 heterotypical gonadal hormones and, 93 

 paradoxical effects of estradiol, 94 



Rana tempororia 



gonad transformation 



androgens and, 94 



het(M()typical gonadal hormones and, 92, 93 



])ara(lo.\icai cITccts of estradiol, 94 



responsiveness to gonadotrophins in cross- 

 species tests, 252 

 testicular interstitial tissue, seasonal changes 

 1038 ' 



Rangifer tarandus, pregnancy, length, 961 

 Rat 



ACTH, cellular origin, 195-198 

 adrenal 



androgens and male accessory sex glands, 423 



cortex 



production of gestagens, 973 

 sex dimorphism, 482 



estrus and, 482-483 

 aggressive behavior by female, androgen and, 



1254 

 ampuUary glands, 376 

 androgen 



and precocious prostatic secretion, compari- 

 son with guinea pig, 1394 



and precocious seminal vesicle secretion, 

 comparison with guinea pig, 1394 



secretion, luteinizing hormone and, 246-247 

 biogenesis of androgen, 334 

 coagulating gland (anterior prostate) 



androgen and, 402, 403, 408 



cytology, 400, 403, 406-408, 416 



fructose secretion, 382, 394 



sorbitol .secretion, 384 

 congenital malformations 



vitamin A and, 691 



vitamin B comj)lex and, 692 



vitamin E deficiency and, 691-692 

 copulation, 1175-1176 

 corpus luteum 



degrees of functional activity, 519, 531-532 



functional life, 460, 461, 537 



hysterectomy and, 461, 538-539 



pseudoj)regnancy and, 533 

 cryptorchism, androgen levels, 315 

 developing ovum 



blast omere potentiality, 848 



cleavage rate, 846 



respiratory activity, 818 



tubal transport time, 846 

 development 



of behavior 



handling and, 1358 

 litter size and, 1358 



of ovary, corticomedullary relations, 103, 108 

 drive-interaction, emotionality and hunger, 1250 

 ejaculation potential, 723, 1175-1176 

 embryo 



culture of, 799-800 



recovery of, 799 

 embryonic ovary, bisexual potentiality, 103-105 

 emotionality, selective breeding and, 1355 

 epididymis 



development, fetal testis and, 715 



fluid, 716 



histogenesis, 715, 718-719 



regional differences, 714-717 

 estrogen 



action, folic acid and, 688 



secretion, follicle-stimulating hormone lutein- 

 izing hormone synergism and, 247-248 

 estrus 



age at first, 595 



postpartimi, 459 



