Experience has taught that incontinence of urine, while not uncommon in adults, in women especially, is constantly noted in institutions for the treatment of children. During the past five years at the children's dispensary, University Hospital, we have found 85 cases of enuresis among 1,657 new patients treated, one out of almost every twenty children manifesting this condition, about 5 per cent. These figures tend to corroborate the statement made by Townsend1 that, when the families of children applying for treatment at the Children's Hospital, Boston, were questioned, 21.5 per cent. of all children were found to have or to have had enuresis. Out of 1,500 children, however, he found but 25 with incontinence of urine, about 1.6 per cent. while Adams2 reported 55 cases out of 19,261 children, about .25 per cent. It is probable that more of the children whom we saw suffered from enuresis, although the