MUSIC IN MEDICINE

which are devoted to occlusive vascular disease, the Raynaud phenomenon and peripheral nerve injuries, his observations of this method of refiex vasodilatation are recorded. In the final chapter a description of the clinical features and skin temperature observations found in the immersion foot syndrome is given. This condition results from exposure to cold and is akin to the trench foot of the last war. A summary and an extensive bibliography are appended to each chapter. There are 104 illustrations, most of which .are charts showing the result of vasodilatation experiments. Dr. Richards, who is an ardent disciple of the late Sir 'Thomas Lewis, concludes his monograph with the following quotation from that master of clinical science: "All knowledge applicable to human disease must owe its inspiration directly or indirectly to intimate contact with disease as it exists in living man." The book, which is excellently produced, should be studied by all practitioners interested in the peripheral circulation.