Zoologist, botanist, and palaeontologist. Naturalist on board HMS Beacon, 1841–2. Appointed professor of botany, King’s College, London, and curator of the museum of the Geological Society of London, 1842. Palaeontologist with the Geological Survey of Great Britain, 1844–54. Professor of natural history, Edinburgh University, 1854. FRS 1845.
Sources: DSB ODNB. (See the bibliography for full references to sources)