This case is reported because the primary lesion, as far as could be determined, was in the larynx, and treatment with potassium iodid, and later with Koga's cyanocuprol, failed to stop the progress of the disease. History. —A man (Case 2960, Modern Woodman Sanatorium), aged 37, laborer in a grain elevator in Kansas, was sent to the sanatorium with a diagnosis of tuberculous laryngitis. His family physician noted on the admission application that the patient had no definite lung trouble and that tubercle bacilli had not been found. In August, 1916, the patient cleaned out some old wood from the bottom of the grain elevator shaft. A few days after this, he developed a severe cold and tonsillitis which settled in his larynx. He coughed and sneezed during this attack, but did not raise any sputum. He continued work in the elevator until Oct. 15, 1916, when he had to