SUBJECT INDEX 



Atresia, in follicles during oestrus 

 cycle and early pregnancy, 42, 43 

 in hypophysectomized rats, 32 

 prevention of, 44 



Blastocyst, development in vitro, 

 112 and ff. 



effect of ovariectomy on, 116 

 stages in the rabbit, 91 

 time of formation, 91, 93 

 Blastomeres, actual and prospe tive 

 in rabbit, 92, 93 



transplantation of in rat, 97 



Cleavage, and cyanide inhibition, 95, 

 96 



and iodoacetate inhibition, 96 

 rate in various rabbit strains, 89 



and ff. 

 rate of, 88 and ff. 

 relation to tubal and ovarian se- 

 cretions, 94 and ff. 

 stages in the rabbit, 90 

 Corpus luteum, and delayed im- 

 plantation, 126 and ff. 



relation to blastocyst growth, 116 

 and ff. 

 Cortex, gonad, 30, 31 



Deciduomata, and delayed preg- 

 nancy, 127 

 pH of, 116 



Embryo, development in vitro, 113 



and ff. 

 Endometrium, and ovum growth, 117, 



123 



Fertilization, effects of sperm dilu- 

 tion, 77, 78 



relation to sperm extracts, 79 

 semination and ac \^a,tion, 75 



and ff. 

 with irradiated sperm, 110 

 Follicle cells, formation, 10 



Follicle graafian, antrum develop- 

 ment, 32, 37, 38 



earliest response to pituitary hor- 

 mones, 33 

 growth in relation to ovum 



growth, 34-39 

 in dwarf mice, 35 

 Follicle stimulating hormone and 



ovogenesis, 26, 27 

 Follicles, anovular, 35 



atresia during oestrus cycle and 



early pregnancy, 42, 43 

 types in rabbits, 36, 37 

 Fragmentation, cinematography of, 

 105 



Germ cells, meiosis, 7 



origin, 5 and ff. 



primordial, 6, 7 



theories of origin, 7-9 

 Germinal epithelium, mitosis fre- 

 quency, 9 



origin, 6 

 Gonadogenesis, 29-31 

 Gonads, embryogeny, 6 

 Grafts, gonad, 30, 31 

 Growth hormone, effects on ovogene- 

 sis, 24, 25 



Heat treatment of eggs, 109 

 Hormones, ovarian, 2, 3 

 Hypertonicity, and activation, 109 

 Hypophysectomy, and ovogenesis, 

 22 



Implantation, hormonal control of, 

 125 and ff. 

 time of, 124 

 Inner cell mass, 93 



Lactation and delayed pregnancy in 



rats and mice, 124 and ff. 

 Luteinizing hormone and ovogenesis, 



26-28 



Macacus, fertilizable life of ovum of, 

 88 



159 



