DANA, JAMES DWIGHT. Born at Utica, New York, February 12, 1813; graduated at Yale, 1833; assistant to Professor Silliman, 1836-38; professor of geology and natural history, 1850-64; died at New Haven, April 14, 1895. NEWBERRY, JOHN STRONG. Born at Windsor, Connecticut, December 22, 1822; professor of geology at school of mines, Columbia College, 1866-90; state geologist of Ohio, 1869; died at New Haven, Connecticut, December 7, 1892. WHITNEY, JOSIAH DWIGHT. Born at Northampton, Massachusetts, November 23, 1819; graduated at Yale, 1839; geologist with New Hampshire survey, 1840-42; Lake Superior, 1847-49; state chemist of Iowa, 1855; state geologist of California, 1860-74; professor of geology at Harvard, 1865 to death at Lake Sunapee, New Hampshire, August 18, 1896. HITCHCOCK, EDWARD. Born at Deerfield, Massachusetts, May 24, 1793; professor of chemistry, Amherst College, 1825; president of the college, 1845-54; died at Amherst, Massachusetts, February 27, 1864. MOTT, VALENTINE. Born at Glen Cove, Long Island, August 20, 1785; graduated Columbia College, 1806; professor of surgery at Columbia, 1810-35; died at New York City, April 26, 1865. LONG, CRAWFORD W. Born at Danielsville, Georgia, November 1, 1815; graduated medical department University of Pennsylvania, 1839; died at Athens, Georgia, June 16, 1878. MORTON, WILLIAM THOMAS GREEN. Born at Charlton, Massachusetts, August 19, 1819; practised dentistry at Boston, 1841-58; discovered anaesthetic properties of ether, 1864; died in New York City, July 15, 1868. HENRY, JOSEPH. Born at Albany, New York, December 17, 1797; professor of natural philosophy at Princeton, 1832-46; first secretary of Smithsonian Institution, 1846; died at Washington, May 13, 1878. GUYOT, ARNOLD HENRY. Born near Neuchatel, Switzerland, September 28, 1807; came to America, 1847; professor of physical geography and geology at Princeton, 1855; died at Princeton, February 8, 1884. LE CONTE, JOHN. Born in Liberty County, Georgia, December 4, 1818; professor of physics University of California, 1869, to death at Berkeley, California, April 29, 1891. LE CONTE, JOSEPH. Born in Liberty County, Georgia, February 26, 1823; professor of geology, University of California, 1869; died in Yosemite Valley, California, July 6, 1901. LE CONTE, JOHN LAWRENCE. Born at New York City, May 13, 1825; surgeon of volunteers during Civil War, and chief clerk of mint at Philadelphia from 1878 until his death there, November 15, 1883. SHALER, NATHANIEL SOUTHGATE. Born at Newport, Kentucky, February 22, 1841; graduated Lawrence Scientific School, 1862; professor paleontology at Harvard, 1868-87; professor of geology, 1887, to death, April 11, 1906. MANN, HORACE. Born at Franklin, Massachusetts, May 7, 1796; admitted to the bar, 1823; secretary of Massachusetts Board of Education, 1837-48; member of Congress, 1848-53; president of Antioch College, 1852-59; died at Yellow Springs, Ohio, August 2, 1859.