The past and present medical significance of hip disarticulation.

S OF CURRENT LITERATURE 74 DIGEST OF MAJOR ACTIVITIES OF THE ARTIFICIAL LIMB PROGRAM 79 P R O S T H E T I C S R E S E A R C H B O A R D NATIONALACADEMY OF SCIENCES—NATIONAL RESEARCH COUNCIL 2101 Constitution Ave. Washington 25, D. C. Artificial Limbs is a publication of the Prosthetics Research Board, National Academy of Sciences—National Research Council, issued twice a year, in the spring and in the autumn, in partial fulfillment of Veterans Administration Contract VAm-21223, Office of Vocational Rehabilitation Contract SAV-1-58, and National Institutes of Health Grant RG-5057. Copyright 1958 by the National Academy of Sciences—National Research Council. Quoting and reprinting are freely permitted, providing appropriate credit is given. The opinions expressed by contributors are their own and are not necessarily those of the Prosthetics Research Board. Library of Congress Catalog Card No. 55-7710. Editorial Board: Eugene f. Murphy, Prosthetic and Sensory Aids Service, Veterans Administration, New York City; Herbert Elftman, College of Physicians and Surgeons, Columbia University, New York City.