Geologist, geomorphologist. Geological surveyor of Newfoundland, 1839–40. Naturalist aboard H.M.S. Fly in the survey of the north-east coast of Australia, 1842–6. Geologist with the Geological Survey of Great Britain working in North Wales, 1846–50. Director of the Irish branch of the Geological Survey, 1850–69. Lecturer on geology at the Royal College of Science, Dublin. President of the Geological Society of Dublin, 1853–4. FRS 1853.
Sources: DNB DSB Q. Jnl Geol. Soc. London 26 1870: xxxii–xxxiv Record of the Royal Society of London
(See the bibliography for full references to sources)