DUHRING, Louis Adolphus, physician, born in Philadelphia, 23 December 1845. His father emigrated from Germany in 1818. and became a successful merchant. The son was graduated at the medical department of the University of Pennsylvania in 1867, and became one of the resident physicians to the Philadelphia hospital. He made a special study of contagious diseases, sailing at the end of fifteen months for Europe, where he spent two years in acquiring knowledge of dermatology in the hospitals of Paris, London, and Vienna. He returned to this country in 1870, and opened in Philadelphia a dispensary for skin diseases. He was also, in 1871'2. one of the editors of the "Photographic Review of Medicine and Surgery." In 1871 he was chosen clinical lecturer upon his specialty in the University of Pennsylvania, and in 1876 professor of diseases of the skin. In 1878 he was elected dermatologist to the Philadelphia hospital. He acted as physician to his dispensary until 1880, and has since been the consulting physician. He published " An Atlas of Skin Diseases" (1876); "A Practical Treatise on Diseases of the Skin," the latter translated into French, Italian, and Russian (1877); and "Epitome of Skin Diseases" (1885).

His sister, Julia Duhring, author, born in Philadelphia, Pennsylvania, 23 February 1836, was educated partly in her native City and partly in Europe, and has traveled extensively in the United States, Europe, Asia, and Africa. Miss Duhring has published two volumes of critical essays on social life, and has prepared a third, which is soon to be issued. The titles of the volumes that have already appeared are "Philosophers and Fools" (Philadelphia, 1874), and "Gentlefolk's and Others" (Philadelphia, 1876).