Early in May, 1894, Maggie D., a wholesome young girl of German parentage, came under my care for a slight malarial trouble. In the course of the attendance, which was only three or four days, I discovered that the girl was severely crippled in her left leg; She was otherwise a healthy, robust, well-formed young woman, of 21 years of age; but she was utterly unable to move a step, even about the house, from chair to chair, without the aid of a crutch, which she kept constantly at her side. In attempts at locomotion, or standing, with this leg, the toes of the foot only touched the ground, and the body sank down a foot or more, and gave the appearance as if falling.
Her story was, that nine years before, when 12 years of age, while running on the frozen ground, her left foot fastened in a hole