Search: Wallace, A. R. in addressee 
Darwin, C. R. in author 
1860-1869::1868::09 in date 
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From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
16 Sept [1868]
Source of text:
The British Library (Add MS 46434: 149–50)
Summary:

CD’s oscillating views relating to protection and sexual selection.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
23 Sept [1868]
Source of text:
The British Library (Add MS 46434: 153–6)
Summary:

On their differences concerning sexual selection and protection.

Contributor:
Darwin Correspondence Project