Zoologist. Druggist in Tooting, London, circa 1832–7. Wrote and edited zoological works under the pseudonym Zoophilus. Curator of the museum of the Asiatic Society of Bengal, Calcutta, India, 1841–62. Provided CD with information on the plants and animals of India in correspondence between 1855 and 1858 and later. Returned to Britain in 1863, and continued to write on zoology and on the origin of species.