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Darwin, C. R. in correspondent 
1860-1869::1869::06::25 in date 
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From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
25 June [1869]
Source of text:
The British Library (Add MS 46434: 186–7); Natural History Museum (Entomology Manuscripts MSS WAL A 1:1 (127-128))
Summary:

On butterfly scales: there are many secondary characters which baffle conjecture.

Was forced to make additions to Origin as short as possible.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edwin Ray Lankester
Date:
25 June 1869
Source of text:
DAR 221.4: 219
Summary:

Testimonial letter for ERL, praising his ability, knowledge, and zeal for science.

Contributor:
Darwin Correspondence Project