IV. The Impulse to Strangle the Object of Sexual Desire—The Wish to be Strangled. Respiratory Disturbance the Essential Element in this Group of Phenomena—The Part Played by Respiratory Excitement in the Process of Courtship—Swinging and Suspension—The Attraction Exerted by the Idea of being Chained and Fettered. V. Pain, and not Cruelty, the Essential Element in Sadism and Masochism—Pain Felt as Pleasure—Does the Sadist Identify Himself with the Feelings of his Victim?—The Sadist Often a Masochist in Disguise—The Spectacle of Pain or Struggle as a Sexual Stimulant. VI. Why is Pain a Sexual Stimulant?—It is the Most Effective Method of Arousing Emotion—Anger and Fear the Most Powerful Emotions—Their Biological Significance in Courtship—Their General and Special Effects in Stimulating the Organism—Grief as a Sexual Stimulant—The Physiological Mechanism of Fatigue Renders Pain Pleasurable. VII. Summary of Results Reached—The Joy of Emotional Expansion—The Satisfaction of the Craving for Power—The Influence of Neurasthenic and Neuropathic Conditions—The Problem of Pain in Love Largely Constitutes a Special Case of Erotic Symbolism. THE SEXUAL IMPULSE IN WOMEN. I. The Primitive View of Women—As a Supernatural Element in Life—As Peculiarly Embodying the Sexual Instinct—The Modern Tendency to Underestimate the Sexual Impulse in Women—This Tendency Confined to Recent Times—Sexual Anæsthesia—Its Prevalence—Difficulties in Investigating the Subject—Some Attempts to Investigate it—Sexual Anæsthesia Must be Regarded as Abnormal—The Tendency to Spontaneous Manifestations of the Sexual Impulse in Young Girls at Puberty. II. Special Characters of the Sexual Impulse in Women—The More Passive Part Played by Women in Courtship—This Passivity Only Apparent—The Physical Mechanism of the Sexual Process in Women More Complex—The Slower Development of Orgasm in Women—The Sexual Impulse in Women More Frequently Needs to be Actively Aroused—The Climax of Sexual Energy Falls Later in Women's Lives than in Men's—Sexual Ardor in Women increased After the Establishment of Sexual Relationships—Women Bear Sexual Excesses Better than Men—The Sexual Sphere Larger and More Diffused in Women—The Sexual Impulse in Women Shows a Greater Tendency to Periodicity and a Wider Range of Variation. III. Summary of Conclusions. APPENDIX A.--The Sexual Instinct in Savages. I. II. III. APPENDIX B.--The Development of the Sexual Instinct. INDEX OF AUTHORS. INDEX OF SUBJECTS. STUDIES IN THE PSYCHOLOGY OF SEX VOLUME IV: Sexual Selection In Man; I. Touch: II. Smell; III. Hearing; IV. Vision. By Havelock Ellis 1927 CONTENTS PREFACE. CONTENTS. SEXUAL SELECTION IN MAN. The External Sensory Stimuli Affecting Selection in Man. The Four Senses Involved.