SUBJECT INDEX 



747 



Cetaoea, ib. sq. ; in porpoise, 48 ; in 

 dog, ib. sgq. ; in carnivora, ib. ; in 

 *olf, 50 ; in cat, 51 ; in wild cat, 52 ; 

 in lion, ib. ; in puma, 53 ; in bear, 

 ib. ; in ferret, ib, ; in polecat, ib. ; 

 in stoat, ib^ sqq. ; in weasel, ib. ; in 

 pine martin, ii. sq. ; in otter, 54 ; in 

 harp seal, ib. ; in seal, ib. ; in fur seal, 

 ib. ; in walrus, ib. ; in badger, ib. n. ; 

 in Inseotivora, 55 sq. ; in shrew, 55 ; 

 in waterrShrew, ib. ; in Malayan hedge- 

 hog, ib. ; in mole, ib. ; in bat, 56 ; 

 in Primates, ib. sqq. ; in lemurs, 56 ; in 

 Tarsius spectrum, ib. ; in monkey, 

 57 sqq. ; in Macacus, 57 sq. ; in Oerco- 

 cebvs, 58 ; in Papio, ib. ; in Macacus 

 nemestrinus, ib. ; in Cercopithecus, ib. ; 

 changes in uterus during. Chapter III., 

 passim ; in guinea-pig, 134 n. 



Q5strum, see CEstrus 



CEstrus, 32 ; definition of, 33 ; effect of 

 lactation on, 69 ; effect of, on Bartho- 

 hn's glands, 51 ; in Carnivora, 92 ; 

 in man, 132 ; in ferret, 364 



Oleic acid in yolk of egg, 283 



Olein in milk, 594 



Omphaloidean placenta, 424 



.Omphaloidea,n region in hedgehog, 480 



Omphaloidean syncytium of shrew, 482 



Oncidium, self-sterifity of, 215 



OQoytes, number of, in human ovary, 636 ; 

 number of, in ovary of rat, ib. 



Oogenesis, 109, 115 sqq., 155, 165; in rabbit, 



115 ; protobroque cells in, 116 ; deuto- 

 broque cells in, 116, 118 ; leptotenic 

 stage in, 116, 155 ; synaptenic stage in, 



116 sq., 155 ; pachytenie stage in, 117, 

 155; diplotenic stage in, 117, 155; 

 dictyate stage in, 117, 155 



Oogonia, 115 



Oophorine, 355 



Oosperm, see Zygote 



Ophelia, parthenogenesis in, 234 



Ophryoiricha puerilis, intersexuality in, 



692 

 Opossum, breeding season in, 36 ; cestrous 



cycle in, ib. ; polyembrony in, 229 ; 



yolk-sac in, 415 ; embryo of, 417 ; 



.period of gestation of, ib. sq. 

 Orca, placenta of, 442 

 Oreds, placenta of, 432 

 Organ of Girald&s, 71 

 Organ of Rosenmiiller, 71 

 Organ of Weber, 241 

 Orgasm, 264 

 Oriole in captivity, 629 

 Ornithin, 304 



Ornithodelphia, 415 ; see Monotremata 

 O'fycUropus, placenta of, 409, 442 

 Os penis in Carnivora and Rodentia, 256 

 Osteomalacia, cause of, 298 ; effect of 



ovariotomy on, 389 ; in puerperium, 



549 

 Ostrich, ovariotoiny in, 344 ; fertility in, 



630 



Otter, cestrous cycle in, 54 ; placenta of, 



448 

 Ovalbumen in white of egg, 287 

 Ovarian extract, 391 ; causing heat, 362 

 Ovarian ovum, 404 

 Ovarian pregnancy, 137 

 Ovarian transplantation, 360 sq. 

 Ovarine, 355 



Ovariotomy, in deer, 340 ; in man, 340, 

 347 ; in fowl, 341 sqq. ; in Aves, ib. ; 

 in duck, 343 sqq. ; in ostrich, 344 ; 

 in rat, 346 ; in cow, ib. ; in rabbit, 

 347 sqq. ; in guinea-pig, ib. ; in 

 relation to menstruation, 360 sq. ; in 

 dog, 361 ; in sow, ib. ; and abortion, 

 366 ; during pregnancy in dog, 369 ; 

 during pregnancy in man, 370 ; during 

 pregnancy in pig, J6. ; during pregnancy 

 in rat, ib. ; during pregnancy in rabbit, 

 371 ; effect of, on uterine mucosa, 376 ; 

 effect of, on pituitary gland, 382 ; in 

 regard to colloid production, 385 ; 

 effect of, 387 ; in pig, 388 sq. ; effect 

 of, on osteomalacia, 389 ; effects of, in 

 dog, 391 ; influence of, on milk, 596 ; 

 and lactation, 598, 611, 622 ; effects of, 

 in fowl, 699 

 Ovaiy, 70 sq.. Chapter IV., passim 

 of cat, 109 ; development of, ib. sqq. 

 of dog, 110; structure of, ib. sq. 

 of rabbit. 111 ; of pig embryo, 112 

 interstitial cells of, 142 »., 145, 147 

 number of ova in, 155 ; hpoids in, 274 

 cholesterin in, ib. sq. ; fat in, 275 

 source of iohthuhn in, 292 ; source of 

 phosphorised fats in, ib. ; as organ of 

 internal secretion. Chapter IX., passim ; 

 correlation between female characters 

 and, 340 ; transplantation of, in fowl, 

 343 ; transplantation of, in guinea-pig, 

 346 ; interstitial cells of, 346, 386 n. ; 

 effect of Rontgen raj's on human, 347 ; 

 in rabbit, 348 ; heteroplastic graft of, 

 350 sqq. ; homoplastic graft of, 351 sgq. : 

 compensating hypertrophy of, 357 sq. ; 

 interstitial cells of, during gestation, 

 376 ; effect of hysterectomy" on, 377 ; 

 general conclusion^ regarding internal 

 secretion of, 386 sqq. ; hormones of, 577 ; 

 transplantation of, in guihea-pig, 620 ; 

 number of oocytes in human, 636 ; 

 number of oocytes in, of rat, ib. ; at 

 puberty, 713 

 Oviduct, see Fallopian tube 

 Ovigenine, 355 

 Oviposition, in fire-beUied toad, 136 ; 



in fetid toad, ib. ; in toad, ib. 

 Ovis, formation of corpus luteum in, 145 

 Ovis ammon, cestrous cycle in, 39 

 Ovis argali, cestrous cycle in, 39 

 Ovis burrhel, cestrous cycle in, 39 

 Ovis canadensis, cestrous cycle in, 39 

 Ovis milsimon, cestrous cycle in, 39 

 Ovis poli, cestrous cycle in, 39 

 Ovis tragelaphus, cestrous cycle in, 39 



