The first description of a tumor of a meibomian gland was given by Baldauf in 1870. He classified the tumor as an adenoma. Though Sourdille in 1894, Dor in 1896 and Axenfeld in 1895 and 1899 reported epitheliomas of the meibomian glands, von Michel as late as 1908, in the Graefe-Saemisch handbook, expressed his doubt of the existence of epithelioma and classified all tumors of the meibomian glands as adenomas. The casualness with which nearly all tumors of these glands were considered to be benign was later disturbed by Scheerer,1 who in 1913, in a report of a case in which the growth was undoubtedly carcinomatous, stated that he considered malignancy to be much more common than had previously been suspected, an opinion which was based on a sharp critical survey and reclassification of the cases reported in the literature. Scheer's justification for attempting to reclassify the reported