Ib. p. 146.
Sammlung, first series, p. 229. Freud has developed his conception of sexual constitution in Drei Abhandlungen zur Sexualtheorie, 1905.
As Moll remarks, Freud's conceptions are still somewhat subjective, and in need of objective demonstration; but whatever may be thought of their theories, he adds, there can be no doubt that Breuer and Freud have done a great service by calling attention to the important action of the sexual life on the nervous system.