INDEX 
Steinmetz, S. R., 204, 237; philosophy 
of war, 213, 216, 218, 221 
Sterilization of criminals and defec- 
tives, 381 
Stockard, C. R., hereditary effects of 
alcohol, 272-276, 287, 296, and Craig, 
272, 296, and Papanicolou, G. N., 
272, 296 
Stécker, W., inherited defects in alco- 
holics, 283 
Stranhan, S. A. K., 237, 324 
Strohmayer, W., heredity in insanity, 
54, 72 
Sturge, M. D., 296. See Horsley, V. 
Suicide, increase of, 373, 374 
Sullivan, W. C., 285, 296; infant 
mortality and maternal alcoholism, 
200; alcohol and hereditary epilepsy, 
280 
Sumner, F. B., iii 
Swift, M. J., 237 
Syphilis, as a cause of insanity, 48, 62- 
64; as a cause of sterility, 165-168, 
307; as cause of degeneracy, 293, 
307 
Talbot, E. S., on degeneracy, 67, 68, 
384 
Tanzi, E., inheritance of insanity, 
45 
Tarde, G., 95; on criminals, 77 
Tarnowsky, P., 95; on the parentage of 
criminal women, 81 
Taylor, J. W., 180 
Teggart, F. J., iii 
Tennyson, A., quoted, 364 
Thacker, A. G., 221 
Theilhaber, F. A., 142 
Thon, D. A., 72 
Thomson, J. A., 26, 221 
Thompson, W. S., 142 
Thorndike, E. L., 117; on training and 
mentality, 105 
Thurnwald, R., 354 
Thwing, C. F., 237 
Tocher, J. F., pigmentation and in- 
sanity, 184 
395 
Topinard, P., 77; on race crossing, 250, 
251; on brains of mulattoes, 253 
Torelle, E., effect of alcohol on sperm 
of star-fish, 271 
Toulouse, E., 45 
Tower, W. L., on production of varia- 
tions, 270 
Travis, T., on young malefactors, 91, 92 
Tredgold, A. F., 269; progeny of feeble- 
minded parents, 34, 70; alcoholism 
and heredity, 281 
Tribe of Ishmael, 31, 85, 86, 94, 130, 
201, 290 
Tschermak, E., 15 
Tuberculosis, 182, 
diathesis of, 185 
Tiirck, H., 72 
Twins, identical and ordinary, 23-25; 
insanity in, 55-57 
183; hereditary 
Unit characters and unit factors in 
heredity, 68, 69 
Urquhart, A. R., data on inheritance 
of insanity, 47 
Vaerting, M., 324 
Variation in man, 8, 11, 21 
Vecchio, G. S. del, 142 
Velden, F. von den, 324 
Venereal diseases and birth rate, 165- 
168; and war, 211, 212 
Verrijn-Stuart, C. A., 354 
Virgilio, on the parentage of criminals, 
81 
Voisin, A., on inbreeding, 244, 268 
Vries, H. de, 12, 13, 15 
Wagner, K., on war, 220, 221 
Walford, C., 354 
Wallace, A. R., sexual selection and 
social reform, 235, 237 
Wallas, G., quoted on race crossing, 
238 
Wallin, J. E. W., 78 
Walter, H. E., 26 
War, 3, 122-124, 205-221 
Ward, L. F., 100 
Warner, A. G., 97 
