Much has been written on the disturbances produced by high altitudes, but Prof. Monge was the first to establish the existence of definite clinical entities produced by maladaptation to life at a high altitude, studies which were first published in 1928 in a monograph entitled "La enfermedad de los Andes." Prof. Monge has written, at my request, a summary of the disease which justly bears his name—Monge's disease, and it has been my privilege to act as translator.
—E. S. Guzman Barron, Chicago.
A man who is acclimated to the high plateaux of the Andes (from 10,000 to 16,000 feet, 3,000 to 5,000 meters, above sea-level) is, sensu strictiori, one who by ancestral or acquired changes has the racial charteristics which allow him to behave physically and mentally like a man living at sea-level. Thus it has been shown by many investigators that dwellers at a high altitude differ from