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DCP-LETT-6285

From:
George Henry Kendrick Thwaites
To:
Charles Robert Darwin
Date:
22 July 1868
Source of text:
DAR 178: 124; DAR 165: 53
Summary:

GHKT is going to procure some local smoke-coloured fowls and investigate them for CD.

Encloses letter on expression queries from S. O. Glenie.

Contributor:
Darwin Correspondence Project

DCP-LETT-6286

From:
Jean Louis Rodolphe (Louis) Agassiz
To:
Charles Robert Darwin
Date:
22 July 1868
Source of text:
DAR 82: B78–9
Summary:

LA clarifies his opposition to CD’s views, which does not blind him to the great value of CD’s original researches.

Answers CD’s questions regarding sexual coloration of Amazonian fishes and the protuberances on the head of male Geophagus and Cichla during the spawning season [see Descent, pp. 520, 529].

Contributor:
Darwin Correspondence Project
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