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Darwin, C. R. in correspondent 
Croll, James in correspondent 
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From:
Charles Robert Darwin
To:
James Croll
Date:
19 July [1871]
Source of text:
Wellcome Collection (MS.7781/1–32 item 27)
Summary:

Introduces E. L. Youmans to correspondent. Youmans is seeking small monographs by the most competent English authors [for his International Scientific Series].

Contributor:
Darwin Correspondence Project
From:
James Croll
To:
Charles Robert Darwin
Date:
17 Aug 1871
Source of text:
DAR 161: 266
Summary:

Refused to write a treatise on geological time.

His paper on W. B. Carpenter’s theory of ocean currents is appearing soon.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
James Croll
Date:
9 Aug 1877
Source of text:
DAR 143: 356
Summary:

Comments on JC’s paper ["On the tidal retardation argument for the age of the earth", Rep. BAAS (1876): 88–9].

Contributor:
Darwin Correspondence Project