I.

The Primitive Character of the Skin. Its Qualities. Touch the Earliest
Source of Sensory Pleasure. The Characteristics of Touch. As the Alpha and
Omega of Affection. The Sexual Organs a Special Adaptation of Touch.
Sexual Attraction as Originated by Touch. Sexual Hyperæsthesia to Touch.
The Sexual Associations of Acne.

II.

Ticklishness. Its Origin and Significance. The Psychology of Tickling.
Laughter. Laughter as a Kind of Detumescence. The Sexual Relationships of
Itching. The Pleasure of Tickling. Its Decrease with Age and Sexual
Activity.

III.

The Secondary Sexual Skin Centres. Orificial Contacts. Cunnilingus and
Fellatio. The Kiss. The Nipples. The Sympathy of the Breasts with the
Primary Sexual Centres. This Connection Operative both through the Nerves
and through the Blood. The Influence of Lactation on the Sexual Centres.
Suckling and Sexual Emotion. The Significance of the Association between
Suckling and Sexual Emotion. The Association as a Cause of Sexual
Perversity.

IV.

The Bath. Antagonism of Primitive Christianity to the Cult of the Skin.
Its Cult of Personal Filth. The Reasons which Justified this Attitude. The