A condition resembling gout, and attended with the deposition of uric acid in joints, tendons, serous membranes, and particularly the kidneys, occurs in other mammals as well as in man, and also in birds. It may be induced artificially in hens by the administration of chromic acid, oxalic acid, phenol, acetone, aloin and mercuric chlorid. The condition has been observed also in the ostrich and in birds of prey, and particularly in vultures kept in captivity. With these facts in mind Kionka1 undertook to experimentally develop gout in hens by controlling the diet and the mode of life. Accordingly, he secured a number of well-developed hens, placed them in a roomy cage, and fed them twice daily with chopped horse-meat free from fat and tendon. The animals were permitted to have as much water as they wanted. They became readily accustomed to their diet and appeared well. After from