Hemochromatosis is a rare disease of disturbed iron metabolism usually associated with diabetes and accompanied by cirrhosis of the liver, bronzed pigmentation of the skin, and by the presence of an iron-containing pigment, hemosiderin, and a non iron-reacting pigment, hemofuscin, in the skin, liver, pancreas and various other organs.Copper has been proposed as an etiological factor in hemochromatosis by Mallory and his coworkers. Mallory, Parker and Nye1 announced that it was possible to produce pigmentation and cirrhosis of the liver in rabbits and sheep by the administration of copper salts or metallic copper in powdered form. Mallory2 made a careful study of a series of cases of hemochromatosis among human beings. He pointed out 2 definite factors which he believed had a bearing on the production of the disease, one, the excessive indulgence in alcohol, and the other, occupational contact with copper. In some cases both factors operated. Mallory pointed out that samples of alcohol used in the prohibit...