During the decade 1922 to 1932, there were 115,649 patients admitted to Cleveland City Hospital. There were 6,399 diagnoses of tuberculosis of various types made within this period. Ordinarily the dermatologic service is requested to examine any of these patients with unusual lesions of the skin. If they are extensive, it is possible that the patient is admitted to the dermatologic service. Otherwise it is certain that sometimes in the other services cutaneous manifestations of tuberculous origin have not been especially noted, and that at times their true character has not been elucidated. That, at least, is an explanation for the small number of cases discussed in this report. Among 6,399 patients with tuberculosis, 68 were recognized as having tuberculous manifestations of the skin or mucous membrane or of both. CLASSIFICATION OF CASES To facilitate the study and correlation of findings, it seemed desirable to group the various types of