CONTENTS
| CHAPTER I | ||
| The reproduction of living beings—History of the germ—Cell-division—Parthenogenesis—Conjugation—Embryonic development—Difference of sexes—Castration—Hermaphrodism—Heredity—Blastophthoria | 6 | |
| 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
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