It is not unusual for tetanus, either general or local, to develop following trauma. Generalized tetanus following surgical operations, however, is rare, and local cephalic tetanus following surgical procedures is extremely rare. Therefore, a case of cephalic tetanus following tonsillectomy and adenoidectomy is here reported. REPORT OF A CASE History.—S. W. was a white boy aged 9 years whose family history did not reveal tuberculosis, syphilis or cancer. The child had diphtheria at the age of 5 and whooping cough at the age of 7, and he was vaccinated against smallpox at the age of 7.He was admitted to the Children's Hospital on Sept. 19, 1933, in the service of Dr. J. S. Otto, with the history that on September 2 tonsillectomy and adenoidectomy had been performed. Recovery was uneventful until September 15, thirteen days later, when the patient awoke in the morning to find that his jaws