Psychopathia sexualis: With especial reference to contrary sexual instinct

3. G., aged 21, microcephalic, imbecile, has masturbated since his

sixth year, and practiced active and passive pederasty. He has repeatedly tried to perform pederasty with boys, and attacked little girls. He was absolutely without an understanding of his acts. His sexual desire was manifested periodically and intensely, as in animals.[120]