The following case may prove to be of interest because of its extreme rarity. In looking up the literature on the subject, as far as I have been able to find, there are no similar cases on record.
—T. D., a switchman, aged 35, entered the Swedish Hospital, Sept. 2, 1911, complaining of dull pain in the palm of the hand, which was increased by pressure and radiated toward the lingers. His past history was negative, with the exception of a possible history of syphilis fifteen years previously. He had always been in railroad employ since he was 14 years of age, but had trained for prize-fights on the side, and had been in several professional fights.In May, 1911, he hit the angle cock of an air hose, while trying to shut it off, with the palm of his right hand. His hand pained him considerably, at this