---- and selection for marriage, 194 Society, the classification of, and eugenics, 119 ----, classification of, for parenthood, 104 (_note_) “Society, The Diseases of,” by G. F. Lydston, 318 “Society, Sex and,” by W. I. Thomas, 317 “Sociological Papers”, 41, 114 (_note_), 185 (_note_), 279, 289, 314, 315 Sociological Society, the, 275 “Sociology, Heredity and Selection in,” by G. Chatterton-Hill, 311 “Sociology, The Study of,” by Herbert Spencer, 317 Soldiers, mistaken muscular training of, 63 Spain, the racial condition of, 267, 268 “Spontaneous,” defined, 215 Starvation as a controller of population, 84 ----, extent of, in England, 82 Stepney, birth-rate of, the highest in London, 78 Sterilization of mental and physical degenerates, 316 Strength _versus_ skill, 62 “Struggle for existence,” the, 42, 83, 280 “Studies in National Eugenics,” by F. Galton, 315 “Studies in the Psychology of Sex”, 202 “Study of British Genius, A,” by Havelock Ellis, 308 “Study of Sociology, The,” by Herbert Spencer, 192, 317 “Survival of the fittest,” the, 43, 49 Survival-value, 46 ---- of love, 51 ---- of monogamy, 51 ---- of population, 90, 91 ---- of religion, the, 303 ---- of the tape-worm, 47 ----, physical _versus_ psychical, 50 “Survival-Value of Religion, The,” by Dr. Saleeby, 303 Syphilis, a racial poison, 252 “Syphilology and Venereal Diseases,” by Dr. C. F. Marshall, 253 Talent, the production of, 290 Tape-worm, survival value of the, 47 Tasmanians, racial disappearance of the, 257 Taubach, the Driftmen of, 59 Temperance legislation, the failure of, 236 “Time and Tide,” by John Ruskin, 96, 131, 254 (_note_), 296, 320 Tobacco and the race, 257 ----, influence of, on pregnancy, 252 Tuberculosis, eugenics and, 179 ----, heredity and, 180 ----, overcrowding and, 181 ----, racial extermination by, 260 “Tuberculosis, The Prevention of,” by A. Newsholme, 319 Unemployment, eugenics and, 293 ----, overcrowding and, 293 United States, control of drunkards in the, 242 ---- ----, higher education of woman in the, 89 ---- ----, increase of population in the, 76 ---- ----, the, a wheat-producing country, 80, 81 “Unto this Last,” by John Ruskin, 320 Variation, 297 “Variation, Heredity and Evolution,” by R. H. Lock, 311 “Variations in Animals and Plants,” by H. M. Vernon, 311 Vertebrates, evolution of the, 55 Vital economy, the principle of, 17, 19 War, a cause of reversed selection, 284 ----, mind the master in, 97 Wealth, Ruskin's definition of, 17 “Westminster Gazette, The,” on the population and the food supply, 79 Wheat, improvement in, 82 ---- problem, the, 79 “Wheat Problem, The,” by Sir William Crookes, 80 Wheat, Prof. Biffen's, 109 Whiskey, defined, 232 “Widows and Orphans,” and the alcohol trade, 245 Woman and eugenics, 193, 294