This lengthy paper has at least the merit of being clearly written. The first section of it (pp. 422–440) is devoted to psycho-analytical theories of crime. The author retails at some length Alexander and Staub's views and Marie Bonaparte's analysis of Mme. Lefevre, while reference is also made to a number of other contributions, some of them by analysts and others by individuals whom the author evidently believes to be analysts (including Herr Coenen and Señor Camargo y Marin, who have had the status of psycho-analyst thrust upon them before). The second section deals with the theories of the individual psychologists. The author draws