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1860-1869::1869::08::10 in date 
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From:
Charles Robert Darwin
To:
Thomas Henry Farrer, 1st baronet and 1st Baron Farrer
Date:
10 Aug [1869]
Source of text:
Linnean Society of London (LS Ms 299/8)
Summary:

THF’s view, if confirmed, pleases CD in that what appears a mere morphological character is found to be of use. Carl Nägeli has been attacking him on this head.

Contributor:
Darwin Correspondence Project
From:
John Blackwall
To:
Charles Robert Darwin
Date:
10 Aug 1869
Source of text:
DAR 82: 82–3
Summary:

Immature male spiders usually resemble in colour the females of their species of the same age. In some species colours of sexes differ when mature.

Contributor:
Darwin Correspondence Project
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