That this is a rare condition may be inferred from the little that is known of it and its cause. In reporting a case before the Rochester Academy of Medicine in 1904 I stated then that it was the only one I had ever seen. Dr. Rotch, in his book, says: "I have myself seen but one case in which it seemed to me that this diagnosis of dermatitis exfoliativa neonatorum could reasonably be made."
Since making that report several other cases have come under my observation attended by such dramatic conditions as to bring the subject more vividly to the minds of those interested than any words of a reader could, and as the number of those who had the opportunity to observe them was limited, I am constrained to make this additional report at this time.
Exfoliating dermatitis in the new born is a definite affection which was