History.— Mrs. F., primipara, had been in labor about four hours, dilatation of the cervix had progressed normally and she was in second stage with everything pointing to a speedy delivery. The pains were rather hard, accompanied by a great tendency to bear down, so I had commenced to give chloroform with each pain. About ten minutes after my last examination, she began to complain of a sharp cutting pain in the right labium. On examination I found a tumor about the size of an orange. In pressing my hand over it to determine whether or not it was a hernia, I noticed at once that it was rapidly enlarging. Treatment.— Recognizing what I had to deal with, I pushed the chloroform and had the nurses prepare things for opening and stopping the hemorrhage, which had now reached the size of a child's head, and had, indeed, very much the