Darwin-Hooker Letters : Letter from Darwin, C. R. to Hooker, J. D. on 11 Jan 1844

'Darwin, C. R.'

Darwin-Hooker Letters

Queries on ratios of species to genera on southern islands. Darwin's observations on distribution of Galapagos organisms, and on S. American fossils, and facts he has gathered since, lead him to conclusion that species are not immutable; 'it is like confessing a murder'.


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