I report this case because diphtheritic serum was used, no other horse-serum being obtainable, and because I believe that great benefit was received, both from the serum and from the calcium lactate used.
The patient, L. R., aged 16, was admitted to my service at the Spearville Hospital, Thursday, July 18, 1912, at noon. He had been bleeding for ninety hours from a cut just above the right upper central incisor, received by being struck with a bracelet on a young woman's arm when falling out of a hammock. Two of the mother's brothers suffered from hemophilia. The patient was bleeding profusely and much weakened from loss of blood when admitted. He was given, immediately, 3,000 units of diphtheritic serum, hypodermatically, no other horse-serum being at hand; a piece of absorbent cotton was placed over the cut and the lip drawn down over this. There was a little bleeding after