The symptom complex that was first designated poikiloderma atrophicans vasculare by Jacobi in 19071 is an unusual condition. A number of cases have been presented at various dermatological meetings in this country and in Europe. In nearly every instance a controversy developed as to whether the condition was entitled to a special classification or whether it was simply an unusual form of one of the more common skin conditions. The rarity of the disease and its controversial status induced me to report a typical and well developed case. The patient was shown at the meeting of the San Francisco Dermatological Society on Oct. 10, 1930, and the diagnosis was concurred in by those present. REPORT OF A CASE History.—D. McG., a boatman, aged 53, entered the Marine Hospital at San Francisco for treatment for an ulcerated area that had developed on the inner surface of