THE MECHANISM OF DETUMESCENCE.

I.

The Psychological Significance of Detumescence. The Testis and the Ovary.
Sperm Cell and Germ Cell. Development of the Embryo. The External Sexual
Organs. Their Wide Range of Variation. Their Nervous Supply. The Penis.
Its Racial Variations. The Influence of Exercise. The Scrotum and
Testicles. The Mons Veneris. The Vulva. The Labia Majora and their
Varieties. The Public Hair and Its Characters. The Clitoris and Its
Functions. The Anus as an Erogenous Zone. The Nymphæ and their Function.
The Vagina. The Hymen. Virginity. The Biological Significance of the
Hymen.

II.

The Object of Detumescence. Erogenous Zones. The Lips. The Vascular
Characters of Detumescence. Erectile Tissue. Erection in Woman. Mucous
Emission in Women. Sexual Connection. The Human Mode of Intercourse.
Normal Variations. The Motor Characters of Detumescence. Ejaculation. The
Virile Reflex. The General Phenomena of Detumescence. The Circulatory and
Respiratory Phenomena. Blood Pressure. Cardiac Disturbance. Glandular
Activity. Distillatio. The Essentially Motor Character of Detumescence.
Involuntary Muscular Irradiation to Bladder, etc. Erotic Intoxication.
Analogy of Sexual Detumescence and Vesical Tension. The Specifically
Sexual Movements of Detumescence in Man. In Woman. The Spontaneous
Movements of the Genital Canal in Woman. Their Function in Conception.
Part Played by Active Movement of the Spermatozoa. The Artificial
Injection of Semen. The Facial Expression During Detumescence. The
Expression of Joy. The Occasional Serious Effects of Coitus.