Bone cysts other than those found in the long bones are of such uncommon occurrence that the report of the following case is of interest. In a cursory examination of the literature on this subject, I have been unable to find a similar case. A. L. 14 years, was seen Sept. 5th 1913. Past Hißtory. The mother and father are living and well; one brother died in infancy of gastroenteritis; one brother and two sisters are livt ing. One of tho sisters is of a nervous temperament, with much digestive

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... uble. The patient's past history is not important concerning this trouble. Present Illness. There is trouble in the other heel, the right, ' since last May, when he fell directly on the heel while doing gymnasium work. This foot bothered him off and on since, with considerable aching at times. The pain especially noted after walking or running. Absolutely no symptoms from the loft heel, the seat of the bone cyst. Examination showed a well nourished boy. The right heel was painful to pressure over the epiphysis of the os calcis. There was no abnormal thickening made out. X-ray of this foot showed an old separation of the epiphysis of the os calcis. Hone Cyst. Left os calcis. Male, 14 years. An x-ray of the left foot was taken for comparison. This picture showed a bone cyst of the body of the os calcis. The whole of the central portion of the body of the os calcis was involved, the thinning extending down apparently quite close to the plantar surface of the bone. Immediate intervention was not advised, but observation at short intervals with radiographs for comparison with the first picture, and operation, should tho slightest symptoms arise, was urged. Some two months after this tho patient was heard from. The trouble had given no symptoms up to that time. Medi calProgress.