Naturalist. Collector in the Amazon, 1848–52; Collector in the Malay Archipelago, 1854–62. Independently formulated a theory of evolution by natural selection in 1858. Lecturer and author of works on protective coloration, mimicry, and zoogeography. President of the Land Nationalisation Society, 1881. Wrote widely on socialism, spiritualism, and vaccination. FRS 1893.
Sources: DNB DSB
(See the bibliography for full references to sources)