Having failed to find any similar case reported in the literature, I believe that the following will probably be of interest. The case occurred in my private practice and the child first came under my care in September, 1908, and at that time the following history was obtained. Mother's History. —The family history was excellent, there being no discoverable hereditary taint. The mother, an unusually robust woman in her thirties, with that nervous energy which so often accompanies an active mentality, toward the end of the eighth month of this her second pregnancy, suddenly developed eclampsia, having, according to her accoucheur, previously presented no untoward urinary findings. The labor was hastened by an instrumental delivery, and the mother was delivered of a well-developed though premature boy baby, weighing about six pounds. Baby's History. —As the mother could not nurse the infant owing to deficient milk supply, the accoucheur secured