American geologist and zoologist. Geologist and mineralogist with Charles Wilkes’s expedition to the South Seas, 1838–42; wrote reports on the geology, zoophytes, and Crustacea. An associate editor of the American Journal of Science and Arts from 1846. Professor of natural history, Yale University, 1855–64; professor of geology and mineralogy, 1864–90. Foreign member, Royal Society of London, 1884.
Sources: ANB DSB Record of the Royal Society of London. (See the bibliography for full references to sources)