INDEX 



Smith, May, 158 

 Snow, 137 



Social life, advantages of, 312 

 Sociology, importance of, to public 

 health work, 250 

 influence of psychology and eth- 

 nology on, 30 

 shows moral ideas to be matters of 

 custom, 23 

 Soul, 29, 56, 58, 59, 93 

 Soul-lore, 54 

 South America, 326, 327 

 Soviet Republics, 189 

 Spain, plant introductions from, 320 

 Spearman, 120 



Spencer, Herbert, 30, 31, 32, 35, 50, 79 

 Sperm, 170, 171, 174, 182 

 Stair, 331 



Stanford-Binet, 104 

 Stanton, Elizabeth Cady, 51 

 Staphylococcus, 232 

 Starling, 291, 300 

 Statistical methods, in employment 



psychology, 142j9'. 

 Steinach, 298 

 Sterilization, in California, 193 



need of laws for, 193 

 Stimulus and response, 66 

 Stomach, 104jf. 

 Stratton, 55 

 Streptococcus, 232 

 Strong, 136 



■'Structure and Meaning of Psycho- 

 analysis, The," 76 

 Sugar, value of, in diet, 381 

 Sumner, William G., 2, 42, 50 

 Supervision, importance of effective, 



159, 160 

 Supreme Court of the United States, 

 sterilization laws of California 

 pronounced constitutional by, 193 

 Surgery, biological, 302 



modern, 237, 238 

 Swammerdam, 17 

 Sweden, 349, 355 



Swine, crossbreeding of, 345 

 Swingle, 303 

 Syphilis, 235, 294 



Tawney, R. H., 50 

 Technopsychology, 124 

 "Temperament and Race," 88 

 Tetany, cause of, 234 



caused by removal of parathyroids, 



288, 289 

 occurrence of, in connection with 



rickets, 374 

 treatment for, 234, 290 

 Theology, warfare with science, 52 

 Theory of Multiple Factors, 169 

 "Thinking Machine, The," 62 

 Third Avenue Railway of New York, 



use of psychological tests by, 137 

 Thorndike, 67, 96, 100, 120, 122, 138 

 Thurstone, 137 

 Thyroid extract, 229, 236 

 Thyroid gland, function of, 300 

 results of defective, 300 

 of over-developed, 300 

 Titian, 17 



Trial and error, law of, 120 

 Tribal loyalty, 42 

 Tribal societies, decay of, 43 

 Trichina, 210 

 Troland, L. T., 74 

 Trotter, 79 



Tubules, renal, functions of, 287 

 Turkey, 319, 322, 349 

 Twain, Mark, 319 

 Twins, experiments with, 118 

 fraternal, 104 

 identical, 104, 184, 185 

 Tylor, 79 



Typhoid fever, cause of, 231 

 fall in death rate from, 231, 268 

 protection from, through public 

 health measures, 242, 244 

 Typhus fever, 261 



[397] 



