INDEX 



Jenkin, P. M., 138 

 Jennings, H. S., 14 

 Joublot, S., 181 

 Juhn, Mary, 232 



Kaiser, Irwin H., 265 

 Kamm, Oliver, 87 

 Kaufmann, C, 184 

 Kelvin, Lord, 178, 195 

 Kipling, Rudyard, 26 

 Knauer, E., 80, 81 

 Knaus, H., 122-124 

 Kober, S., 86 

 Koch, F. C, 232, 234, 251 

 Kramer, T. C, 37 



Lactation, experimental, 210; pitui- 

 tary hormone for, 95, 207-214; 

 see also Mammary gland 



Laqueur, E., 86, 233 



Lataste, F., 72 



Laucius, J. F., 87 



League of Nations, 90, 117, 236 



Leonard, S. L., 104, 143 



Leonard, William Ellery, 2 



Lewis, C. Day, 63 



Lewis, Sinclair, 129 



Lewis, W. H., 38, 45, 47, 56, 258 



LH, see Luteinizing hormone 



Lipschutz, A., 100 



Lister, Joseph, 160 



Locust, 17-year, 65, 138 



Loeb, Jacques, 18 



Loeb, Leo, 83, 104, 109-111, 114 



Loewe, S., 85, 232 



Long, C. H. N., 268 



Long, J. A., 69, 73; opposite p. 74; 

 156 



Lubin, Samuel, 129 



Ludwig, C, 79 



Luteinizing hormone, 268 



Lyons, W. R., 268 



MaeCorquodale, D. W., 88 

 McDowell, Ephraim, 79, 160 

 McGee, L. C, 232 

 McGregor, T. N., 129 

 McLeod, J. J. R., 126 

 Macaque, see Java macaque; Mon- 

 keys 



Male hormones, see Androgenic 

 hormones 



Malpas, Percy, 129 



Mammary gland, effects of hor- 

 mones on, 95, 209-213 ; embryonic 

 origin, 212; effect of pituitary 

 hormone, 207-214; growth, at 

 puberty, 80, 207, 208; in preg- 

 nancy, 208; structure, 208 



Mare, gonadotrophic hormone in, 

 203, 262; equilenin, 249 



Markee, J. E., 150-152, 158, 165, 169, 

 258 



Marker, R. E., 87 



Marshall, F. H. A., 175 



Mason, K. E., opposite p. 219 



Mating, 23 



Medusa (jelly fish), reproduction 

 by budding, 7 



Membranes, fetal, 57, 58 



Mencken, Henry, 226 



Menopausal symptoms, treatment 

 with estrogens, 99 



Menstrual cycle, see Cycle, men- 

 strual 



Menstrual disorders, treatment 

 with estrogens, 98, 127; treatment 

 with progesterone, 127, 129-132; 

 various degrees of, 173 



Menstruation, age of onset, 137; 

 anovulatory, 155-159, 168, 169; 

 in apes, 135, 137; breakdown of 

 endometrium in, 148; cause of, 

 immediate, 169-173, 265-269; es~ 

 trin-deprivation hypothesis, 162- 

 167; experimental, 159; in eye- 

 grafts, 151, 152, 165, 166; "Ger- 

 man" theory of, 154-157, 159, 161 ; 

 in girls, 136, 137; occurrence in 

 higher primates only, 69, 70, 135, 

 261-262; periodicity, 135-137; 

 non-relation to moon, 137, 138; in 

 monkeys, 137, 138, 155-158, 261- 

 262; significance of, 174-176; 

 theory of, 154-158, 162-172, 264- 

 267; see also Cycle, menstrual; 

 Menstrual disorders 



Meyer, Robert, 154-156 



Meyer, Roland K,, 104, 113, 143, 175 



Milton, John, 11 



{ ^77 } 



