Diffuse sclerodermia is a very rare condition. Dr Phineas Abraham, the writer of the article on " Sclerodermia/' in Allbutt and Rolleston's System oj Medicine, in speaking of diffuse sclero' dermia, states that M'Call Anderson had 2 cases in 11,000 disease of the skin, and Crocker 2 in 10,000 cases. In 17,000 general medical cases seen in my hospital practice (8502 in-patients, 863^ out-patient...