Page:The Evolution of Modesty.djvu/18

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XIV CONTENTS.

ation to "Heat" — The Prohibition of Intercourse during Menstruation — The Predominance of Sexual Excitement at and around the Menstrual Period — Its Absence during the Period Frequently Apparent only 85

II.

The Question of a Monthly Sexual Cycle in Men — The Earliest Suggestions of a General Physiological Cycle in Men — Period- icity in Disease — Insanity, Heart Disease, etc. — The Alleged Twenty-three Days' Cycle — The Physiological Periodicity of Seminal Emissions during Sleeps-Original Observations — Fortnightly and Weekly Rhythms 106

III.

The Annual Sexual Rhythm — In Animals — In Man — Tendency of the Sexual Impulse to become Heightened in Spring and Autumn — The Prevalence of Seasonal Erotic Festivals — The Feast of Fools — The Easter and Midsummer Bonfires — The Seasonal Variations in Birthrate — The Causes of those Varia- tions — The Typical Conception-rate Curve for Europe — The Seasonal Periodicity of Seminal Emissions During Sleep — Original Observations — Spring and Autumn the Chief Periods of Involuntary Sexual Excitement — The Seasonal Periodicity of Rapes — Of Outbreaks among Prisoners — The Seasonal Curves of Insanity and Suicide — The Growth of Children According to Season — The Annual Curve of Bread-consumption in Prisons — Seasonal Periodicity of Scarlet Fever — The Underlying Causes of these Seasonal Phenomena 122

Auto-erotism : A Study of the Spontaneous Mani- festations of the Sexual Impulse.

I.

Definition of Auto-erotism — Masturbation only Covers a Small Portion of the Auto-erotic Field — The Importance of this Study, especially To-day — Auto-erotic Phenomena in Animals — Among Savage and Barbaric Races — The Japanese rin-no-tama and other Special instruments for Obtaining Auto-erotic Grati- fication — Abuse of the Ordinary Implements and Objects of Daily Life — The Frequency of Hairpin in the Bladder — The Influence of Horse-exercise and Railway Traveling — The Sewing-machine and the Bicycle — Spontaneous Passive Sexual Excitement — Delectatio Morosa — Day-dreaming — Pollutio — Sexual Excitement During Sleep — Erotic Dreams — The Analogy • if Nocturnal Enuresis— Differences in the Erotic Dreams of Men and Women — The Auto-erotic Phenomena of Sleep in the Hysterical— Their Frequently Painful Character 101

IT.

Hysteria and the Question of Its Relation to the Sexual Emotions

The Early Greek Theories of its Nature and Causation — The

Gradual Rise of Modem Views— Charcot — The Revolt Against