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1860-1869::1868::07::01 in date 
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From:
Henry Baker Tristram
To:
Charles Robert Darwin
Date:
1 July 1868
Source of text:
DAR 84.1: 93–4, 97
Summary:

On the coloration of 26 species of Saharan birds.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
Edward Blyth
Date:
[after July 1868]
Source of text:
DAR 84.2: 183, 187, 187v
Summary:

Questions from CD related to bird plumage and sexual differences, with answers by EB.

Contributor:
Darwin Correspondence Project
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