INDEX 



Miscarriage, aee Abortion 



MoUusks, reproduction, 24 



Monkeys, cycle of Java macaque, 

 138; cycle of Rhesus, 137; ex- 

 perimental menstruation in, 159, 

 161-167; endometrial grafts in, 

 151 ; gonadotrophic hormones in, 

 202; menstruation in, 137, 138, 

 165-158; New World Monkeys, 

 absence of external menstruation, 

 153; rate of secretion of estrogen, 

 189-194; sex skin, 190, 193 



"Monkey glands" (testes), 231 



Moon, relation to reproductive cy- 

 cle and menstruation, 64, 137, 138 



Moore, C. R., 143, 222, 223, 232, 237, 

 255, 256 



Morula, 18, 66 



Mouse, see Rat and Mouse 



Muller, R. H., 89 



Mulligan, E. W., 160, 161 



Muscle, of uterus, see Uterine mus- 

 cle 



Needham, Joseph, 257 

 Nervous system, 27 

 Nicholas, J. S., 258 

 Nucleus, of ovum, 17, 18, 19, 21, 89; 

 of sperm cell, 18, 19, 21 



Oakwood, T. S., 87 



Obelia, reproduction, 7 



Oestrus (and related words), tee 

 Estrus, etc. 



Okkels, H., 266-267 



Opossum, 256 



Organizers, 257 



Ovary, dependence on pituitary 

 gland, 75, 141, 263; dimensions, 

 33; extracts of, 81, 82; grafts of, 

 80; human, 33; internal secretion 

 first suggested, 80, 81 ; of mouse, 

 33; eflFects of removal, 79; re- 

 moval followed by uterine bleed- 

 ing, 160, 161; removal during 

 pregnancy, 125, 204, 260-261; 

 structure, 34, 35; of whale, 33 



Oviduct, 20, 22, 44, 45, 94 



Ovulation, in animals, 37; in cycle 

 of sow, 66, 68 ; in menstrual cycle, 



148, 149; in reproductive cycle, 

 139 



Ovum, of birds, 24, 33, 39; defined, 

 9; discharge of («ee Ovulation); 

 discovery, 33, 34; division, in sea 

 urchin, 18; division, in mammals, 

 66, 67; fertilization, 10, 16-18, 65, 

 ^^\ formation, 34, 36; human, 34, 

 36, 37-39; of Hydra, 9; of mam- 

 mals, 20, 24, 34, 36, 87-40; of 

 monkey, 38; number of, in ovary, 

 41 ; of reptiles, 24 ; of sea urchin, 

 17; size of, 37, 40; of sow, 38, 39; 

 specifications, 8; transportation, 

 24, 46-48, 66; of turtle, 24; unfer- 

 tilized, fate of, 40, 41; yolk, 33, 

 39,40 



Oyster, embryos, 24 



Palolo, 64, 138, 254 



Pancreas, 28 



Papanicolaou, G. N., 72, 82, 166 



Paramecium, mating reactions, 14 



Paradoxical effects, of gonadal hor- 

 mones, 257 



Parker, G. H., 45 



Parkes, A. S., 91, 92, 193, 208, 210 



Parthenogenesis, artificial, 18-20; 

 natural, 20 



Parturition, 206, 207 



Pellets, of androgenic hormones, 

 193, 236; of estrogenic hormones, 

 91, 92, 192, 193 



Penis, 24 



Phenanthrene, 246 



Pincus, Gregory, 20, 21, 48, 181 



Pituitary gland, anterior lobe, 141; 

 in cycle, 75; deficiency in male, 

 237; effect on crop gland of pi- 

 geon, 211, 212; effect on descent 

 of testes, 222, 223; gonadotrophic 

 hormones, 95, 141, 262-264; lacta- 

 tion hormones, 95, 207-214; effect 

 on ovary, 95, 141 ; effect on ovi- 

 duct of toad, 211, 212; at puberty, 

 95; structure, 141; effect on 

 testis, 222 



Pituitrin, effect on uterine muscle, 

 123; not involved in menstrua- 

 tion, 171 



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