During the year a case of amaurotic family idiocy has come under my observation in my service at the Michael Reese Hospital, Chicago. I was enabled to study the case clinically and also was fortunate enough to secure a complete autopsy.
REPORT OF CASE
History.—The patient was a male child, 18 months old, born of Jewish parents, and was admitted on Sept. 18, 1909. The birth was uneventful; no forceps were used, and the delivery was easy. The child weighed 10 pounds at birth. The eruption of the teeth came late, beginning at the tenth month. The child progressed normally up to the eighth month of life. Until 1 year old the baby had mother's milk; after that, cow's milk, soup, potatoes, and almost everything. This diet seemed to agree with the baby, and he increased in weight.History of Illness.—At about 8 months of age, the child