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From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
[23 Jan 1847]
Source of text:
American Philosophical Society (Mss.B.D25.65)
Summary:

Asks CL to address a letter to Charles Maclaren.

Discusses recent publication by David Milne on erratic boulders [Edinburgh New Philos. J. 42 (1847): 154–172].

Views of Bernhard Studer on foliation of gneiss in the Alps. Asks CL to tell Leonard Horner of Studer’s views.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Daniel Sharpe
Date:
[23 Jan 1847]
Source of text:
UCL Library Services, Special Collections (PEARSON/10/1)
Summary:

Comments on manuscript [? "On slaty cleavage", J. Geol. Soc. Lond. 5 (1849): 111–29]. Discusses phenomenon of cleavage. Will write to J. D. Forbes about DS’s paper.

Contributor:
Darwin Correspondence Project