Mental backwardness, extent of, 5-6; causes, 6-7, 9-13, 18-25, 28-30; treatment, 25-28; agencies to correct, 31-32. Mental training, need for early, 126-127, 187. Moral training, need for early, 29-30, 38-39, 48-49, 52-55, 76-79, 106-107, 132-134, 149, 157-159, 199, 203, 240, 287. Mosso, A., 243. Meyerson, A., 144-146. "Nagging," 82. Nervous disorders, and backwardness, 12-13; "only children" and, 44, 48; faulty training and, 48-50; "favorite children" and, 56-58; and sulkiness, 67-69, 72-75, 84; and jealousy, 103-107, 115-123; and selfishness, 132-150; bashfulness and, 175-186; indecision and, 188-191, 194-199; stammering and, 222-239; fairy tales and, 244-249, 251-260; "night terrors" and, 276, 284. "Night terrors," 271-299; description, 272-274; traditional explanation, 274; modern view, 275-283; need for treatment, 284-287; prevention, 287-299. Also mentioned, 38, 39, 254. Only child, the, 37-55; nervousness of, 44, 47-48; precocity, 44; social inadaptability, 44-45; effeminacy, 46; in adult life, 47-48; how spoiled, 48-55. O'Shea, M. V., 108. Physiology of emotions, 87-95. "Poltergeists," 119-120. Precocity, 44. Psychological clinics in United States, 31-32. Putnam, J. J., 48. Race conservation, 304-306. Religious instruction, 265-267. Retardation. See Mental backwardness. Rowan, C. L., 213. Selfishness, 131-161; and nervous disorders, 132-150; and marriage, 151-161. Sex, mental conflict regarding, 83-85, 296-299; education in, 159-161. Sidis, B., 190, 192, 284-287. Simon, Professor, 9. Somnambulism, 289-290. Stammering, 207-240; Dieffenbach and, 207-208; peculiarities of, 210-217; psychological treatment, 220-221, 225-238; causes, 221-225, 238; organic disease and, 226_n;_ difficulty of cure, 239; prevention, 239-240. Suggestion, 53, 80, 125, 224, 225. Sulkiness, significance of, 65-66; causes and treatment, 66-86; physiological effects, 87-94. Teeth, and mental backwardness, 26; and sulkiness, 71-72, 75. Underfeeding, and sulkiness, 69. Wallin, J. E. W., 11-18. Walsh, J. J., 148, 194_n_. White, W. A., 260. Williams, T. A., 67, 68, 259, 276-280. Witmer, L., 20, 21, 23, 25, 28, 31. Wood, P. R., 73. Worry, effects of, 92-94. * * * * *