An account of the unfinished analysis of a proletarian boy of ten, whose disorder was a severe one. Constant anxiety made it impossible for him to remain alone for any time; he masturbated to excess and in the presence of other people; he was intellectually very backward; and he reacted to the slightest stimulus with nervous movements of his face, hands and feet.

His play at first depicted phantasies of murderous struggle with his father by means of which he expressed not only his hostility towards him, but probably also sadistic coitus. His exhibitionism and masturbation