The following is an abstract of the history of the case which is the basis for this report. A colored man, aged 37, was admitted to the Mercy Hospital in the evening of Oct. 9, 1926. He had been sick about twenty-four hours and complained of severe abdominal crampy pain, with nausea, vomiting and constipation. His general condition was good. There was some distention of the abdomen with tenderness in the right lower quadrant. There was no fever and no increase in pulse rate. The blood count showed 13,300 leukocytes and 83 per cent of polymorphonuclear cells. The Wassermann reaction was strongly positive. No masses were felt in the abdomen and there were no particular points of tenderness. An enema brought relief of his symptoms and he had a quiet night. The next day about noon the crampy pain returned and again was relieved by an enema. The symptoms recurred