Through this book, the man in the street is again the beneficiary of a psychological dedication. It, like a thousand other new psychologies, purports to soothe the morbid fears and criminal impulses of the plain man by the simple process of reading the book. The quotation in the foreword: “The proper study of mankind is man,” stirred in us the hope that some striking clinical material would be presented by way of scoring the more sterile methods of the average academic psychologist. If the hope did not materialize, the text was at least simply written, and if the man in the street is not led astray by the dualistic implications, he may gather a fair notion of a few of the more recent theories. Many abnormal entities are broached, i.e., dromomania, narcotomania, the borrowing habit, pyromania, and, finally, criminal impulses. Dromomania may be, in non-Christians, the result either of “subconscious craving for sensual experience “or” the powerful self-preservation instinct.” But