Responds to LH’s comments on South America.
Discusses inclination of lava stream.
Sketches in second edition of Journal of researches more accurate than in first.
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Responds to LH’s comments on South America.
Discusses inclination of lava stream.
Sketches in second edition of Journal of researches more accurate than in first.
Sends notes on volcanic islands for LH to read and return.
[Letter could be an inaccurate contemporary copy to which the copyist interpolated details, or a forgery. The address "Down House Orpington Kent" occurs nowhere else.]
Thanks Horner for his letter [about Volcanic islands].
Discusses craters of elevation with respect to the views of Leopold von Buch and Élie de Beaumont. Compares Lyell’s views to those of continental geologists. Mentions reading A. D. d’Orbigny [Voyage dans l’Amérique méridionale (1835–47)].
Encloses note from Emma to Mrs Horner, inviting the Horners to visit Down.
Responds to LH’s comments on South America.
Thinks it unsound to designate a geological epoch after man. Doubts people’s confidence in date of man’s introduction.
Criticises A. D. d’Orbigny’s theory of elevation of the Cordillera.
Lists sections of South America of special interest.
Discusses proposed survey of Glen Roy. Mentions Glen Roy theories of Agassiz and William Buckland. Includes a memorandum calling for a careful survey of the parallel roads of Glen Roy. Mentions M. A. Bravais ["On the lines of ancient level of the sea in Finmark", Q. J. Geol. Soc. Lond. 1 (1845): 534].