| PAGE |
| Introduction: General Physiology of Love | [13] |
| CHAPTER | |
| I | Love in Plants and Animals | [29] |
| II | Morning Crepuscules of Love—The Good and Evil Sources of Love | [41] |
| III | The First Weapons of Love—Courtship | [64] |
| IV | Modesty | [72] |
| V | The Virgin | [79] |
| VI | Conquest and Voluptuousness | [89] |
| VII | How Love is Preserved and How It Dies | [94] |
| VIII | The Depths and the Heights of Love | [107] |
| IX | Sublime Puerilities of Love | [118] |
| X | Boundaries of Love—Their Relations to the Senses | [122] |
| XI | Boundaries of Love—Their Relations to Other Sentiments—Jealousy | [133] |
| XII | Boundaries of Love—Their Relations to Thought | [145] |
| XIII | Chastity in its Relations to Love | [155] |
| XIV | Love in Sex | [158] |
| XV | Love and Age | [165] |
| XVI | Love in Relation to Temperaments—of the Ways of Loving | [175] |
| XVII | The Hell of Love | [186] |
| XVIII | The Degradations of Love | [198] |
| XIX | The Faults and Crimes of Love | [211] |
| XX | The Rights and Duties of Love | [219] |
| XXI | The Covenants of Love | [227] |