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 104 CHAPTER VI 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 144 CHAPTER VII Sexual evolution--Phylogeny and ontogeny of sexual life 192 CHAPTER VIII 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 208 CHAPTER IX The role of suggestion in sexual life--Amorous intoxication 277 CHAPTER X The relations of the sexual question to money and property-- Prostitution, proxenetism and venal concubinage 293 CHAPTER XI 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. 326 CHAPTER XII Religion and sexual life 340 CHAPTER XIII Rights in sexual life--Civil law--Penal law--A medico-legal case 358 CHAPTER XIV 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 418 CHAPTER XV