Normal conditions only should be transferred by hypnotic suggestion, 225 Nose molding, 20 Notes, 199 _et seq._ _Noyes, John Humphrey_, 37 _et seq._ Nucleus of cell, essential to reproduction, 167 Nutrition, action of, on germ cells, 151 Nutrition (arrested) organic effect of, 77 Obedience the basis of education among the Spartans, 15 Offspring, effect of alcohol on, 171 Offspring, effect of consanguineous marriage on, 42 Offspring, influence of locality on health of, 210 Offspring, injuriously affected by sexual excess of parents, 211 Offspring, inception of, the starting point of stirpiculture, 52 Offspring, limitation of, 179 _et seq._ Oneida Community, 37 _et seq._ Ovum, 163 _et seq._ Ovum, the beginning of animal life, 101, 163 Ovum, developmental tendency of the, 110 Ovum, effect of gestation on the, 102 Ovum of different animals, apparent similarity of the, 163 _Paget, Sir James_, 148 Pain, prevention of, in surgical operations, 214 Pangenesis, experiments in, 106 Pangenesis, theory of, 75, 105, 109 Panmixia, theory of, 78 Paper mill (New England), 154 Parentage and luxury, 208 Parentage and war, 199 Parentage, responsibility in, 49, 181 Parentage, Plato's restrictions on, 11 Parentage, sacredness of, 93 Parents, how to make use of suggestion in the training of children, 222 Parents, organic growth of, injuriously affected by sexual excess, 211 Parental life, influence of, over offspring, 95 Perfectionists of the Oneida Community, 37 _et seq._ _Phillips, Wendell_, 128 Physical culture, 160 Physical training of girls among Spartans, 14 Physical weakness may be associated with mental greatness, 34 Plato, Republic of, 10 _et seq._, 25 Plutarch, 13, 16 _et seq._ Poisons, actions of, on the sexual cells, 91 Poverty, obstacle of, to production and training of the young, 203 Preference, as exhibited among animals, 131 Preference, as exhibited among men, 133 Preference, first principle of sexual selection, 131 Prenatal culture, 55 _et seq._ Prenatal culture, illustrative cases of, 60 _et seq._ Prenatal influence, 112 Prenatal influence in telegony, 85 Prenatal influences, cases of, 204 _et seq._ Principles on which sexual selection is based, 38, 131 Progress in organic life, 9 Promiscuity regulated in Oneida Community, 37 Promiscuity regulated in Plato's Republic, 11 Prostitution, camp life a school for, 202 Psychical diseases, heredity of, 82 _et seq._ Psychological laws, uncertain effect of, 68 Psychological research, laboratories for, 160 _Quatrefages, M. de_, 59 Race (human) deterioration of the, through hygienic action, 143 _et seq._ Race, improvement of the, aim of, 36 Race, improvement of the, based on spiritual sympathy, 58 Race improvement, experiment in, of the Oneida Community, 37 _et seq._