Warm, dry woollen clothing to exposed parts in cold weather, as a preventive. In the first stage, friction with No. 48, used cold. When ulcers form they should be poulticed with bread and water for a day or two, and then dressed with calamine cerate. Or, chilblains in every stage, whether of simple inflammation or open ulcer, may always he successfully treated by Goulard's extract, used pure or applied on lint twice a day.