X. MEDICINE IN LA PAZ.
La Paz is on the very frontier of civilization, and is so much isolated from the outside world that we naturally would expect the practice of medicine in this city to be in a somewhat crude state, and far behind the wonderful progress made by the medical profession in more favored parts of the world during the last fifty years. The progress of the science and art of medicine and surgery, which has had its origin in the great medical centers of the world during the last half century, has spread like an irresistible wave over the entire civilized world, where it has uprooted old theories and planted the seed of modern rational medicine. This wave has reached the hermit republic, but for obvious reasons has not wrought the changes which are so apparent in countries in closer touch with the men who have replaced