A few decades ago it was possible for the nimble-minded medical student and physician to acquire a more or less complete working knowledge of all medicine, both as an art and as a science, but since constant and progressive investigation has so enlarged the circle of facts, with their methods of application, a tendency to specialization has necessarily developed. Undoubtedly specialization in the medical sciences has led through concentration of effort to various brilliant epoch-making discoveries in the realm of research, but it is quite evident that this trend has frequently produced results which tend to lose sight of any concept of