1532 



SUBJECT INDEX 



Cryptorchism (cont.) 



and semen acid phosphatase, 315 



and tumor incidence, 349, 350 



androgen levels, 315 



biotin deficiency and, 315 



definition, 309-311 



fertility potential, 314-315 

 Crypturi, penis, 1096 

 Cuculidae 



parasitic egg-laying, 1277 



parental behavior, evolution, 1352 

 Cuculus canorus, egg-laying, availabilitv of nests 



and, 1282 

 Cushing's disease and ovarian functioning, 481 

 Cushings' syndrome, hypophyseal cytologv, 210- 



212 

 Cutthroat trout, hermaphroditism, 1070 

 Cyanocitta cristata, incubation, ineffectiveness 



early in egg-laying, 1286 

 Cyclostomes (see also Petromyzon) 



genital tract 



development, 1060 

 structure in male, 1039 



hermaphroditism, 86 



testis, release of sperm, 1039 

 Cymatogaster 



genital tracts, development, 1060 



sperm storage in female, 1055 

 Cynomys hulovicanus 



genital tract of male, seasonal changes, 315-316 



seasonal l)reeder, 315-316 

 (UluopUhcrus (see Baboon) 

 Cyprinus carpio 



spawning, seasonal occurrence, 1036 



spermatogenesis 

 androgen and, 1045 

 estrogen stimulation of, 1053 

 Cytochrome oxidase-cytochrome c system, histo- 



chemical differentiation, 890 

 Cytogenetics, methods of, 7-8 

 Cytoplasmic agents (conditioning) 



and sex chromosome elimination in Sciara, 30 



and sex development in Sciara, 30 

 Cytoplasmic basophilia in differentiation of ribo- 

 nucleoprotein, 888 



Dasyurus, ovum size, 812 

 Deciduoma formation 



folic acid and, 688 



inanition and, 688 



vitamin E and, 688 

 Deer, Virginia 



epididymis, seasonal changes, 716 



identification of genetic sex, 55 



ovum, postovulatory, 818 



pars intermedia, staining reactions, 199-200 



placental histochemistry, 924, 927, 928 



pregnancy, length, 960 



testes 



location, 309 



secretion of estrogens, 332 

 Dehydroepiandrosterone 



adrenal cortical synthesis, 647 



biosynthesis, 646-647 



conversion to A*-androstenedione, 649 

 Dehydroisoandrosterone 



and spermatogenesis, 345 



androgenicity, 338-339 

 3-/3-ol Dehydrogenase 



in progesterone biosynthesis, 645 



in steroid interconversions, 647 

 Dehydrogenases, in male accessory reproductive 

 glands, 392 



Delayed fertilization, and embrvonic develop- 

 ment, 848-850 

 Delle, 1054 



Dendrobates, transport of larvae by males, 1048 

 Desman, ovary 

 bisexuality, 86 



strong masculinizing action, 102 

 Desmognathus 

 abdominal glands, androgen and, 1047 

 cloacal glands, androgen and, 1047 

 maxillary teeth, androgen and, 1047 

 orchiectomy, and secondary sex characters, 1045 

 pelvic glands, androgen and, 1047 

 sex dimorphism, cloacal glands, 1043 

 Desmognathus fuscus, sex dimorphism, premaxil- 



lary tooth, 1043 

 Deoxycorticosterone (DOCA) 

 and feminization of genital ridges in Seyli- 



orhimis, 1067 

 and intrasplenic ovarian grafts, 271 

 and menstruation, 579 

 and ovulation in fowl, 1133 

 and steroid biosynthesis, 646-647 

 and testis, 344-345 

 biosynthesis, 646-647 

 conversion to progesterone, 583 

 correlation between life -sustaining dose and 



size of testis in duck, 1103 

 facilitation at ovulation, 518 

 progesterone activity, 973 

 11-Desoxycortisol, adrenal cortex synthesis, 644 

 ll-Desoxy-17-hydroxycorticosterone (Reichsteins' 

 compound S) 

 and Cortisol biosynthesis, 645-646 

 biosynthesis, 645^646 

 Desoxyribonucleic acid 

 in developing ova, 810 

 in inheritance, 30-31 

 in ova, 810 

 Desoxyribonucleoprotein, histochemical differ- 

 entiation, 888 

 Deutoplasmolysis, in developing ovum, 847 

 Developing mammalian ovum 

 adrenal corticoids and, 851 

 blastocyst structure, 850 

 blastomere potentiality, 847-848 

 cleavage, 845-846 



protein synthesis during, 811 

 rate 



colchicine and, 847 

 size of animal and, 845 

 thio-amino acids and, 845 

 stages, DNA in, 810 

 deutoplasmolysis, 847 

 free uterine period, 851 

 mitochondrial distribution, 847 

 removal of zona pellucida, 855-858 

 respiratory activity, 818-820 

 transuterine migration, 853 



trophoblast, and implantation, 855, 857-858, 863, 

 865 

 Developmental defects 

 fowl, irradiation of sperm and, 1110 

 hypoxia and, 963-964 

 irradiation of sperm and, 771, 1110 

 ovum age and, 848-850 

 toluidine blue treatment of sperm in mouse and, 



771 

 trypaflavine treatment of sperm in mouse and, 



771 

 vitamin deficiencies and, 691-692 

 Developmental mortalitv 

 adrenal and, 1000-1003 

 adrenal corticoids and, 672 



