1534 



SUBJECT INDEX 



Dog (cont.) 



pseudopregnancy, 532-533 



relaxin in blood, 973 



reproduction, hypophyseal stalk transection 



and, 281 ; 283 

 scrotum 



absence of sweat glands, 320 

 temperature gradient, 318-319 

 seminiferous tubules, motility, 712 

 site of insemination, 727 

 social behavior 

 development, 1257 

 genetic basis, 1244 

 sperm 



antigens, 745 



hyaluronidase concentration, 829, 830 

 transport in female, 731 

 spermatogenic cycle, 328 

 spermatogenesis, thyroid and, 347 

 testicular tumors, 349-350 

 testis 



adrenalectomy and, 347 

 artery of, 318, 319 

 high teniixTature and, 319 

 hypophysectomy and, 335-336 

 stress and, 322, 323 

 DoUchonyx oryzivonis, aggesssive behavior, breed- 

 ing cycle and, 1250-1251 

 Dominance 



among males, and reproduction, 1246-1247 

 behavior 

 fowl 



experience and development of, 1258 

 precocity, androgen and, 1258 

 psychologic state and, 1255 

 reproductive state and, 1251-1254 

 Dormouse, breeding season, 502 

 Dorsal crest, salanuuulers, orchiectomy, and, 1045 

 Dorsal fin rays, Monucanthus, testosterone and, 



1069 

 Dorsonuchal crest, Anolis, androgen and, 1047 

 Dove 

 egg-laying 



conditioning to atypical stimuli, 1343 

 handling and, 1143 

 hybridity and phenotype, 20 

 parental" behavior, role of the sexes, 1299 

 DPN (Diphosphopyridine nucleotide) 

 Drill, mating behavior of male, castration and, 



1183 

 Drive-interaction, 1249-1250 

 and conflict behavior, 1250 

 Drosophila 

 chromosomes 

 pattern, 10 

 sex loci, 4 

 embryology, 4 

 hybridity 



and phenotype, 20-21 

 and sexuality, 20-21 

 intersexuality, genetic basis, 13-20 

 meta females, 11 

 parthenogenesis, 22-23 



and rudimentary females, 23 

 sex comb teeth 



as measures of sexuality, 11-12 

 chromosome balance and, 11-12 

 sex determination 



genie balance and, 8 

 sex differentiation 



cytoplasmic factors, 21 

 Hr gene and, 49 

 tra gene and, 50 

 sex dimorphism, 11-12 



Drosophila (cont.) 

 sex genes, 13-20 

 sex mosaics, origin, 60-01 

 sex types, 13-20 

 supermales, 11-12 



X chromosome, female elements in, 10 

 Y chromosome 



and phenotype, 24 

 variegation eflects, 24 

 Drosophila affinis 

 sex ratios 

 female, 26 



male, female -male interactions, 28 

 Drosophila americana 

 intersexes, 17 

 sex types, 16-17 

 triplnids, phenotypes, 17 

 ])r<)si)/)liil(i asteca, female sex ratios, 26-27 

 L),i,siii)liiht athabasca, female sex ratios, 26-27 

 Drusuphilu bifasciata 

 female sex broods, 25 



female sex ratios, maternal cytoplasmic agents 

 and, 25-26 

 Drosophila borealis, female sex broods, 26 

 Drosophila busckii, sex genes, 19 

 Drosophila nKnuidlicirdi 



partheiio^ciictic ilcvclopment, 34 

 thelytokous reproduction, 23 

 Drosophila melanogasler 



gene mutations, and sexuality, 12 

 genetic of sex, 3 

 gynandromorphs, 21, 22 

 Hr gene, sex effects, 15 



hybridization with Drosophila simulans, 14, 20 

 intersexuality, sex genes and, 15 

 male sex ratio, 27 

 Ne gene and, 27 

 maternal cytoplasmic agent, and susceptibility 



to CO2 poisoning, 26 

 microcliromosome, 19 

 parthciiogciiotic development, 34 

 sex tlitferentiation 

 autosomes and, 18-20 

 IV^ chromosome genes and, 18-20 

 gene action and, 17-18 

 X chromosome and, 17-18 

 V chromosome and, 18 

 sex genes, 15-20 



autosomal, 18-20 

 sterility factor in Y chromosome, 23-24 

 tabulation of mutants, 4 

 tra gene 



and mating bahavior, 16 

 and sexuality, 16 

 and sterility, 16 

 phen()tyi)ic effects, 16 

 Y chromosome, function, 23-25 

 Drosophila neorepleta, hyl)ridization with Dro- 

 sophila repleta, 20-21 

 Drosophila obscura, female sex ratios, 26 

 Drosophila parthenogenetica 

 parthenogenesis, incidence, 22 

 parthenogenetic development 

 embryonic mortality, 22 

 manner of, 34 

 Drosophila pauUstorum 

 female sex broods, 25 



female sex ratios, maternal cytoplasmic agents 

 and, 25 

 Drosophila polymorpha, parthenogenesis, inci- 

 dence, 22 

 Drosophila prosaltans 

 female sex broods, 25 



