REID, David Boswell, chemist, born in Edinburgh, Scotland, in 1805 ; died in Washington, D. C., 5 April, 1863. He was educated at the University of Edinburgh, where he also studied medicine. After graduation he taught, practical and analytical chemistry for four years at the university. In 183e he erected a class-room and laboratory larger than any in Edinburgh, which he opened in 1833, and thereafter he had about 300 pupils annually in his chemical classes. He was called in 1836 to make such alterations in the old house of commons as should secure its better ventilation, and in 1839 superintended similar changes in the house of peers. In 1840-'5 he had direction of the new houses. Subsequently he superintended the ventilation of St. George's Hall, Liverpool, and in 1842 was appointed a member of the " Health of towns commission." In this capacity he gave a course of lectures at Exeter Hall, and also visited and superintended the introduction of improved methods of ventilation and sewerage in most of the cities of the United Kingdom. In 1856 he came to the United States, and after various engagements, including that of professor of applied chemistry in the University of Wisconsin, he became one of the medical inspectors of the United States sanitary commission. Dr. Reid was a fellow of the Royal society of Edinburgh, and, besides scientific contributions to journals in the United States and Europe, published " Introduction to the Study of Chemistry "(Edinburgh, 1825) ; " Elements of Chemistry " (1832) ; " Text-Book for Students of Chemistry" (1834) ; " Rudiments of the Chemistry of Daily Life " (1836); " Outlines of the Ventilation of the House of Commons" (London, 1837) ;" Ventilation of the Niger Steamships " (1841);" Illustrations of the Theory and Practice of Ventilation, with Remarks on Warming" (1844) ; "Ventilation in American Dwellings " (New York, 18;58) ; and "Short Plea for the Revision of Education in Science" (St. Paul, 1861).