INDEX 



Burrows, Harold, 254, 264 

 Butenandt, A., 86, 104, 115, 116, 

 232, 233 



Cancer, relation of estrogenic hor- 

 mones to, 99-100 



Capon test, 236 



Carcinogenic substances, 99 



Casanova de Seingalt, Giovanni 

 Jacopo, 29 



Casserius, Julius, opposite p. 143; 

 200 



Castrate atrophy, see Atrophy, cas- 

 trate 



Castration, of female, 79, 96; of 

 male, 228 



Catlin, George, 63 



Cervix (of uterus), 54 



Chimpanzee, pregnanediol excreted 

 by, 121 



Cholesterol, 116, 246 



Chromosomes, 21, 22, 227 



Clark, L. B., 254 



Clarke, F. J., 129 



Clauberg, C, 184 



Cloaca, 23, 24 



Clone, 12, 13 



Coiled arteries, see Blood vessels 



Cole, Wayne, 87 



Collip, J. B., 126 



Comb test, see Capon test 



Conjugation, 13 



Corals, reproduction, 22 



Corpus luteum, color, 43; degenera- 

 tion, 44, 139, 145, 148; discovery 

 of function, 106-111; effect on 

 endometrium, 107-111; formation, 

 41, 42; as gland of internal secre- 

 tion, 103; human, 43; life of, 44; 

 in menstrual cycle, 146; necessary 

 for implantation of embryo. 111, 

 257-259; how long necessary in 

 pregnancy, 125, 260, 261 ; number 

 of cells in, 186; number of c. 1. in 

 various species, 43; rate of secre- 

 tion, 180-187; effects of removal, 

 106; in reproductive cycle, 66, 

 139; effect on sex urge in guinea 

 pig, 98; structure, 43; volume in 

 rabbit, sow, human, 182-184 



Corpus luteum hormone, see Pro- 

 gesterone 



Cothurnia, reproduction, 3, 4, 12 



Courrier, R., 102, 254, 259 



Cow, cycle, 65; proestrous bleed- 

 ing, 174 



Crawford, Jane, 79 



Crop glands, 211, 212 



Crop milk, 211 



Cryptorchidism, 222, 235 



Cycle, menstrual, 69, 70, 262; an- 

 ovulatory, in monkey, 155-159; 

 events of, 145-148; in human, 159; 

 hypothetical explanation, 166- 

 169; modern concept, 172, 173; 

 theories about, 154, 265-266; see 

 also Menstruation 



Cycle, reproductive, in animals, 64, 

 65, 139; cause of, 74, 75; events 

 of, in non-menstruating animals, 

 144; events of, in menstruating 

 animals, 145-148; in human, 69; 

 length of, in various species, 65, 

 138 ; nature of, 68 ; physiology of, 

 139-145; of sow, 65-67; varia- 

 tions of, 68 



Cyclopentenophenanthrene, 246 



Dalgaard, J., 266 



D'Amour, F. E., 86 



Daron, G. H., 150, 267 



David, K., 233 



Deanesly, Ruth, 91, 193 



Deciduomata, 109, 110, 114 



Dedalus, Stephen, 29 



De Jongh, S. E., 86 



Dickinson, R. L., 60 



Didusch, J. F., 45 



Diethyl stilbestrol, see stilbestrol 



Dingemanse, E., 86, 233 



Dionne quintuplets, 43 



Dodds, E. C, 89 



Dog, cycle, 65 ; proestrous bleeding, 

 174, 175 



Dog-fish, 25 



Doisy, E. A., 73, 83, 84, 86, 88, 250 



Domm, L. V., 232 



Dorfman, R. L., 203 



Ductless glands, see Internal secre- 

 tion, glands of 



Dysmenorrhea, 129-131 



{ 274. } 



