CHAMBERL1N, Thomas Crowder, geologist, born near Mattoon, Il1., 25 September, 1843. He was graduated at Beloit in 1866, and took a course in science at Michigan University in 1868-'9. He was professor of natural science at the state normal school, Whitewater, Wisconsin, from 1869 till 1873, when he was given the chair of geology at Beloit. This he retained till 1884, and lectured at the College two years longer, also filling the chair of geology at the Corcoran school of science, Columbian univer-sity, Washington, died Co, from 1885 till 1886. In 1886 he was chosen president of the University of Wisconsin, to enter on duty in June, 1887. Prof. Chamberlin was assistant state geologist of Wisconsin from 1873 till 1876, and chief geologist from 1876 till 1881, when he took charge of the quaternary department of the United States geological survey. He was sent to Paris in 1878 by special act of the Wisconsin legislature to take charge of educational exhibits and to attend the international congress of geologists. While abroad he made a special study of the Alpine glaciers and their deposits. In 1886 he was chosen vice-president of the American association for the advancement of science for the section of geology and geography. He has published "Outline of a Course of Oral Instruction" (Whitewater, Wisconsin, 1872); Annual Reports of the Wisconsin Geological Survey for the years 1876 to 1879 inclusive (Madison, Wisconsin, 1877-'80); and "Geology of Wisconsin" (4: vols., with 3 folio atlases of colored maps, Madison, 1877-'83). Among his numerous scientific papers are : "Extent and Significance of the Wisconsin Kettle-Moraine" ("Transactions of the Wisconsin Academy," 1876-'7); "Le kettle-moraine et les mouvements qui lui ont donne naissance" (Paris, 1878); " Requisite and Qualifying Conditions of Artesian Wells" (" Fifth Annual Report United States Geological Survey," 188324); and "An Inventory of Our Glacial Drift" (the vice-presidential address before the American association at Buffalo, 1886).