CARCINOMA and lymphoma of the tonsil are more easily recognized than cured, and the ease with which a diagnosis of cancer in this area may be made is offset by the poor prognosis and poor results achieved in therapy. Although the average practitioner may have the opportunity to see only isolated examples of this condition during a lifetime of practice, its relative frequency is high when compared with the incidence of other cancers of the pharynx. The present report is concerned with evaluation of a series of 162 patients with cancers of the tonsil seen in the outpatient clinic or admitted to the Pondville Hospital (Massachusetts Department of Public Health) from 1927 to 1945 inclusive. This hospital is a state institution for the treatment of malignant disease. INCIDENCE During the period encompassed by this report there were seen 162 patients with malignant tumors in the region of the tonsil. This