Discusses the structure and particular uniformities of the Shropshire coal-seams and surrounding strata; speculates on their origins.
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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.
Discusses the structure and particular uniformities of the Shropshire coal-seams and surrounding strata; speculates on their origins.
Discusses the deposition of coal and considers the possibility of coal aggregating into seams after deposition.
Has obtained fossils from Gibraltar that he believes are human. Requests Lyell’s address so that he can send the bones.