The scope and importance of this book is well indicated by the following quotation from Dr. Kirby's Introduction: 'This book marks a notable advance in psychiatry in that it emphasizes sharply the contrast between the older descriptive psychiatry of Kraepelin and the newer interpretative psychiatry of the present time which utilizes the psycho-analytical principles and general biological viewpoints, developed by Freud and his pupils in Europe and by Meyer, Hoch, White and others in this country. Bleuler was apparently one of the first psychiatrists to grasp the great importance of a psychodynamic viewpoint in the study of mental disorders and as early as 1906 he published a paper on Freudian mechanisms in the symptomatology of the psychoses. Although he became convinced of the value and importance for psychiatry of many of Freud's formulations, he has always preserved a well-balanced and distinctly independent