This book was written by the chairman of the Department of Psychology of the University of Michigan and is intended for college students and laymen in general. It must be judged, therefore, on the basis of its simple clarity, its accuracy and its freedom from prejudice. It cannot be said that it meets satisfactorily any one of these three tests. The early chapters read like those introductory lectures in which the industrious student takes elaborate notes, which he cannot understand until the course is completed. They are rendered unclear by qualifying phrases and hair-splitting distinctions which can have no meaning to the reader until he has thoroughly familiarized himself with the matters under discussion. Thus the distinctions between neuroses and psychoses are purely verbal until concrete case