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Lyell, Charles in author 
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From:
Charles Lyell, 1st baronet
To:
Thomas Henry Huxley
Date:
17 June 1859
Source of text:
Imperial College of Science, Technology and Medicine Archives (Huxley 6: 20)
Summary:

Extended discussion of their respective difficulties with the definition and status of species and with the extent to which the theory of transmutation may be applied.

Has rediscovered S. S. Haldeman’s 1844 paper defending the transmutation theory with great skill.

Asks for reference to Geoffroy Saint-Hilaire’s first enunciation of the progressive development and transmutation theory.

Contributor:
Darwin Correspondence Project