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Tristram, H. B. in correspondent 
1860-1869::1868::09 in date 
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From:
Henry Baker Tristram
To:
Charles Robert Darwin
Date:
5 Sept 1868
Source of text:
DAR 84.1: 95–6
Summary:

Sexual differences in plumage of birds; various species compared.

Contributor:
Darwin Correspondence Project
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