The following case seems interesting on account of a rather infrequent complication:
—O. A., a girl of 8, was brought to the Roosevelt Hospital on Oct. 23, 1908, on account of a peculiar gait which had always been present since infancy. She had never suffered pain.
—Fairly well-nourished child, walking with a decided waddle. Heads of both femurs were dislocated, the right being fairly well developed, the left not so well. Well-marked lumbar lordosis was present. Length of right leg, 53.5 cm.; length of left leg, 53 cm.
—About November 23 the child entered the hospital and shortly thereafter was put to bed with extension of thighs at a right angle to her trunk. On December 7, under ether anesthesia, the Lorenz operation was done on both hips. The adductors were broken down rather easily, and reposition was accomplished on both sides without difficulty. The stability on