The exhaustion of two large editions of this book within less than two years after its appearance attests the success of the humble efforts of the author in laying before the general practitioner an account of the principles of psychotherapy in such manner as to be of practical value as an adjunct to his therapeutic armamentarium.

That psychotherapy has won for itself the highest recognition of its deserved place in therapeutics is no longer questioned by one who has kept his eyes open to the advances of modern medical science. Its unqualified indorsement by the American Therapeutic Society; the establishment of the Henry Phipps Psychiatric Clinic at Johns Hopkins University under the efficient direction of Adolph Meyer, professor of nervous and mental diseases in that institution, where the psychoanalytic method of psychotherapy will be intelligently employed; its support by men of such recognized ability as Freud, Jung, Bleuler, Breuer, Prince, Janet, Babinski, Putnam, Sidis, Dubois, Munsterberg, Jones, Brill, Donley, Waterman, Taylor, and others shows the value of the various psychotherapeutic methods in their numerous applications in the treatment of disease. But some of these men - of unquestioned professional ability, able and scholarly - are disposed to limit its field to the department of neurology and psychiatry, when its greatest field of usefulness is in the general practice of medicine - in all classes of medical and surgical practice.

A few of these men are disposed to speak disparagingly of many of the simpler psychotherapeutic devices, assuming a "holier than thou" attitude toward the employment of psychotherapeutic procedures in a class of work not coming within the domain of their own specialty. This attitude is unworthy of scientific men, many of whom apparently write to conceal thought rather than to impart practical knowledge. In their zeal for the limitation of psychotherapeutic principles to the scope of their own individual specialty, they couch their declarations in technical phrases that are beyond the grasp of the general practitioner.

To indicate the practical usefulness of psychotherapeutic principles in their application to the work of the general practitioner is the object of this book. The author simply states his experiences in support of his conviction of the broad scope and usefulness of psychotherapeutic procedures, and endeavors to show how their application is upheld by the theories advanced by the leaders of the present-day conception of psychotherapeutic principles, and describes the technic of their application.

The author hails with delight the fact that one of the greatest triumphs of neurology is its successful employment of measures aimed to modify the mental mechanism underlying the symptomatic manifestations presented in that class of nervous diseases designated as the psychoneuroses, and offers this little volume as proof beyond contradiction that this triumph does not in the least mitigate the value of the employment of the same therapeutic principle in other departments of medical practice.

The author most heartily agrees with the idea expressed by Adolph Meyer: "Habit training is the backbone of psychotherapy; suggestion merely a step to the end. Action with flesh and bone is the only safe criterion of efficient mental activity; and actions and attitude and their adaptation is the issue in psychotherapy." This idea is in perfect accord with the dynamic psychology which constitutes the basis of this thesis.

The present edition of this book contains eight entirely new . chapters, which, together with the enlarged and rewritten chapters of the preceding editions, constitute an embodiment of the recent advances in psychotherapy, though still holding to all of the practical technic of the second edition.

The newer methods of employing psychotherapeutic procedures, such as are connected with the names of Freud, Breuer, and Jung, are succinctly described to meet the requirements of the general practitioner, in so far as the author conceives them to be of practical value as applied to his work. In deference to the methods of Freud, Breuer, and Jung, the reader must not regard the views herein expressed as being more than a general statement of the fundamental principles upon which the psychoanalytic method of psychotherapy is based, and an explanation of the more easily comprehended technic of employing psychoanalysis for the diagnosis and treatment of the psychoneuroses "by bringing into consciousness the hitherto unconscious."

It has been particularly gratifying to the author that his most extreme views pertaining to the part played by that portion of our mental lives of which we are consciously unaware, as the result of forgotten experiences, are so overwhelmingly corroborated by the theories of Freud, Jung, Breuer, Bleuler, Prince, Sidis, Munster-berg, and many other men of note. The theory of dormant reserved subconscious energy, and the practical methods of its utilization in heightening the resistive powers of the individual in his effort to combat all forms of disease, was taught and demonstrated by the author to physicians as far back as 1899, and the corroboration of this theory by the experience of thousands of American practitioners has fixed the place for psychotherapeutic measures in the armamentarium of the general practitioner for all time.

Henry S. Munro.

Omaha, Nebraska.