KELLICOTT, W.E. "The Social Direction of Human Evolution." Appleton. $1.50. PUNNETT, R.C. "Mendelism." Macmillan. $.50. SALEEBY, C.W. "Parenthood and Race Culture." Moffat, Yard. $2.50. THOMSON, J.A. "Heredity." Putnam. $3.50. WALTER, H.E. "Genetics." Macmillan. $1.50. INDEX Abnormality, in literature, 129 ff. Adolescence, and sex-instruction, 146 ff. Adults, and special sex-instruction, 26. AEsthetics of sex, 4, 74, 197. Affection, 163; "consecration of," 210; in marriage, 189. Aims, of sex-education, 92, 94; of sex-education societies, 228. Animals, and human sexuality, 72. Arguments, for sex-instruction, 28 ff. Asceticism, 69. Athletics, and sex, 141. Attitude, towards sex, 26, 67 ff.; and morals, 75. Bibliography, 238 ff. Biology, 56, 65; and ethics, 102 ff.; and sex-instruction, 147; moral value, 217. Books, as teachers, 121 ff., 241 ff.; _see also_ literature. Boys, influence on, 158; special instruction, 148-250. Cabot, R.C., 63, 210 ff. Childhood, 25. Children, ignorant of sex, 204. Circumcision, 139. Coeducation, in sex-instruction, 109; and sex adjustment, 80. Continence, 160 ff., 176 ff.; of women, 190 ff. Contraception, and ethics, 219. Control, of sex instincts, 18. Criticisms, of sex-education, 203 ff.; conclusions regarding, 226. Curiosity, denied by Repplier and Taft, _q.v._ Dancing, 169 ff., 200. Diseases, social or venereal, 37 ff. Dress, of women, 174 ff., 200. Education, as a solution, 19, 88; coeducation, 80; sex-differentiated, 82. Eliot, C.W., 71. Emissions, 149. Ethics, and biology, 102; and sex-hygiene, 61 ff; of sex, 4. Eugenics, 86 ff.; aim of, 105; and ethics, 103. Europe, and sex problems, 59 ff.; morality in, 59; sex-hygiene in, 230. Evolution, and vulgarity, 75. Fiction, and sex tragedies, 127. Foerster, 70. Frankness, 206. Friendships, of children, 136. Fulton, J.S., 40. Future, of sex-education, 234-237. Genetics, 87. Girls, special instruction, 151; unprotected, 191. Gonorrhea, _see_ Diseases. Good, and evil, 215. Hamilton, Cosmo, 208. Hartley, C. Gasquoine, 82 ff. Heredity, 87; and sex-education, 104. History, of sex-education, 227 ff. Homes, and sex-instruction, 21. Hunger, two kinds, 73. Hygiene, and ethics, 210 ff.; of sex, 1-4, 25. Ideals, of manhood, 185; of womanhood, 157; of love and marriage, 159, 187. Ignorance, 45, 50, 54; of children, 12-14. Illegitimacy, 52 ff., 59. Immorality, 38; danger in teaching, 67. Instincts, sexual, 16-18. Intellectualism, and sex, 83. Kallikak family, 103. Key, Ellen, 64, 79. Knowledge, and will, 217. Lectures, on sex-hygiene, 100. Legislation, and social diseases, 47.