Search: Ralph Colp Jr (private collection) in repository 
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DCP-LETT-3181

From:
Charles Robert Darwin
To:
Edward Walford
Date:
13 June [1861]
Source of text:
Ralph Colp Jr (private collection)
Summary:

Sends "the dates of the principal events of my Life" requested by EW [for use in his Men of the time (1862)].

Contributor:
Darwin Correspondence Project

DCP-LETT-7112

From:
Charles Robert Darwin
To:
William Thierry (William) Preyer
Date:
17 Feb [1870]
Source of text:
Ralph Colp Jr (private collection)
Summary:

Comments on effects of prussic acid on different individuals of the same species and other physiological research by WP.

Provides information about his studies in Edinburgh and Cambridge and qualifications he had for Beagle voyage. Describes influence of R. E. Grant and J. S. Henslow.

Contributor:
Darwin Correspondence Project
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