The reproduction of living beings—History of the germ—Cell-division—Parthenogenesis—Conjugation—Embryonic development—Difference of sexes—Castration—Hermaphrodism—Heredity—Blastophthoria
Love and other irradiations of the sexual appetite in the human mind—Psychic irradiations of love in man: Procreative instinct, jealousy, sexual braggardism, pornographic spirit, sexual hypocrisy, prudery and modesty, old bachelors—Psychic irradiations of love in woman: Old maids, passiveness and desire, abandon and exaltation, desire for domination, petticoat government, desire of maternity and maternal love, routine and infatuation, jealousy, dissimulation, coquetry, prudery and modesty—Fetichism and anti-fetichism—Psychological relations of love to religion
Ethnology and history of the sexual life of man and of marriage—Origin of marriage—Antiquity of matrimonial institutions—Criticism of the doctrine of promiscuity—Marriage and celibacy—Sexual advances and demands of marriage—Methods of attraction—Liberty of choice—Sexual selection—Law of resemblance—Hybrids—Prohibition of consanguineous marriages—Role of sentiment and calculation in sexual selection—Marriage by purchase—Decadence of marriage by purchase—Dowry—Nuptial ceremonies—Forms of marriage—Duration of marriage—History of extra-nuptial sexual intercourse
Sexual pathology—Pathology of the sexual organs—Venereal disease—Sexual psychology—Reflex anomalies—Psychic impotence—Sexual paradoxy—Sexual anæsthesia—Sexual hyperæsthesia—Masturbation and onanism—Perversions of the sexual appetite: Sadism, masochism, fetichism, exhibitionism, homosexual love, sexual inversion, pederosis, sodomy—Sexual anomalies in the insane and psychopathic—Effects of alcohol on the sexual appetite—Sexual anomalies by suggestion and auto-suggestion—Sexual perversions due to habit
The influence of environment on sexual life—Influence of climate—Town and country life—Vagabondage—Americanism—Saloons and alcohol—Riches and poverty—Rank and social position—Individual life—Boarding schools
Medicine and sexual life—Prostitution—Sexual hygiene—Extra-nuptial intercourse—Medical advice—Means of regulating or preventing conception—Hygiene of marriage—Hygiene of pregnancy—Medical advice as to marriage—Medical secrecy—Artificial abortion—Treatment of sexual disorders
