_Krafft, D. Von Ebing_, 82, 84, 91 _Lamarck_, 111 Lamarchian theory of transmission, 213 Language, not transmitted to offspring, 119 _Leeuwenhock_, 103 Limitation of offspring, 179 _et seq._ Locust, egg-laying instinct of, 123 Luxury and parentage, 208 _Lycurgus_, marriage regulations of, 13 _et seq._, 22, 27 _Lyman, Dr. C. W._, on treatment of a baby, 185 _et seq._ Man, variations undergone by, 138 Man, practical superiority of, over animals, what, 210 Manufacturing life, unhealthiness of, 152 Manufacturing mills, deterioration caused by, 158 Marriage, consanguineous, ideas as to, 21, 42 Marriage customs among Spartans, 18, 19 Marriage, early, disadvantages of, 137 Marriage, importance of health in relation to, 135 Marriage, regulations as to, in Plato's Republic, 22, 25 Marriage of weak and worthless, 137 Marriage, a sacred state, 52 Marriage of chastity, disposition spiritualized by, 210 Marriages of affection and passion, difference between, analogous to that between education and instruction, 210 _Mason, Dr. R. Osgood_, on beneficial effect of hypnotism in education, 215 Maternity, avoidance of, 208 _McGee, Dr. Anita Newcomb_, 37 Memory, endowment of reproductive cells with, 70 Memory, improvement of, by hypnotic suggestion, 210 Mental dullness, curable by suggestion during hypnotic sleep, 215 Mental emotion of mother, injury to unborn child through, 200 Mesmeric sleep, effect of suggestion during, 214 Mesmerism, now known as hypnotism, 214 Method to be employed by parents for using suggestion in child training, 223 Microbes, selective action of, 143 Mind of operator, state of, necessary to successful suggestion, 224-5 Modification of certain bones through sitting, 116 Modification of the organism during descent from first ancestors, 71 Modification of sense of touch, 114 Modification of toes, 112 Modification of the whale, 115 Molecular structure of sexual cells, 110 Monogamy, return to, by the Oneida Community, 40, 41, 53 Moral nature, growth of the, 146 Mosaic regulations as to unclean animals, 63 Motherhood, highest, war an enemy to, 204 Motherhood and degeneracy of the breasts, 208 Mothers, not peculiarily the divinely appointed teachers of children, 212 Musical talent, not transmitted to offspring, 120 Mutilations, not transmissible, 119 _Meyer, Prof. Frederic W. H._, on hypnotic suggestion, 221 Natural selection, 9, 115, 138, 142 Natural selection, always operative, 147 Nature, action of, in relation to health, 130 Nerve cells, constitution of, alterable by hypnotic suggestion, 222 Nervous system, debilitation of the, 84 Night terrors cured by hypnotic suggestion, 220 Nipples, deformed, common occurrence of, 209 _Nisbet, J. F._, 90, 92 Non-nursing of children a sign of degeneracy, 208