Army officer. Served in the Bengal engineers; lieutenant, 1841; lieutenant-general, 1875. Carried out scientific expeditions in the Himalayas. Collected plants in Tibet, 1848. Served in government in India, 1862–71. Member of the Council of India, 1875–89.
Sources: DNB Sarjeant, W. A. S. 1980
(See the bibliography for full references to sources)