CHAPTER II
The evolution or descent of living beings 39
CHAPTER III
Natural conditions of mechanism of human coitus--Pregnancy-- Correlative sexual characters 49
CHAPTER IV
The sexual appetite in man and woman--Flirtation 72
CHAPTER V
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