A case of multiple tumors of the scalp in a woman in whose family there were four similar cases was reported by Ancell in 1841.1 The first thorough study of such a case was published by Poncet2 in 1890. Two years later, in the same volume of the Journal of Cutaneous Diseases in which Dr. Fordyce published his classic description of multiple benign cystic epithelioma, I. E. Cohn,3 a railway surgeon in Portland, Ore., described a case of multiple tumor of the scalp as "multiple sarcoma of the scalp." Mulert,4 in 1897, published a thorough histologic study of one of these cases, calling the condition endothelioma. This report was unknown to Spiegler,5 whose celebrated article appeared two years later. Since that time many cases have been studied, and much has been said and written on the pathology of these interesting tumors. I wish to