The author states that this volume has been prepared to meet the request of many former students that a report of the work at his clinics be published. He, furthermore, presents this work as a plea in defense of the amphitheater clinic, or rather a modified type of such a clinic, in which the student participates.
A portion of the first chapter is devoted to the method of making a diagnosis. The author states that in an ordinary obscure case, in addition to the history, physical and ordinary laboratory examination, there should be included roentgenograms of dead teeth and paranasal sinuses, roentgenoscopic examination of the thorax and gastro-intestinal tract. Furthermore, the patient should be examined by the various specialists, and only after data from these various sources have been secured should the physician attempt to make a diagnosis. The question might arise as to how a student thus taught would