The earliest studies on psychological consequences of the anatomical distinction between the sexes centered exclusively around the existence of penis envy and a castration complex in girls. Subsequent studies extended the field of inquiry to include the consequences of early vaginal awareness, the concealed position of the female genitalia, the greater discreteness of urinary and anal function in the male, and the danger that the female is exposed to in her procreative and maternal role.

The present paper seeks to call attention to some psychological consequences that result from still another anatomical distinction: the