Search: Wallace, A. R. in correspondent 
1860-1869::1868::02 in date 
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DCP-LETT-5848

From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
7 Feb 1868
Source of text:
DAR 106: B48
Summary:

Thanks for Variation.

Reports work on his travel book [The Malay Archipelago (1869)].

Contributor:
Darwin Correspondence Project
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DCP-LETT-5912

From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
22 Feb [1868]
Source of text:
The British Library (Add MS 46434: 104–5)
Summary:

Reports work on sexual selection. Problems with the relative numbers of the two sexes and polygamy. Asks ARW’s help with several questions on polygamous birds.

Contributor:
Darwin Correspondence Project

DCP-LETT-5922

From:
Alfred Russel Wallace
To:
Charles Robert Darwin
Date:
24 Feb 1868
Source of text:
DAR 106: B70–2, DAR 86: A10–11
Summary:

Responds to CD’s queries on polygamy in birds and orang.

Discusses sexual selection and secondary characters; colours and sexual preference.

Expresses his admiration for Pangenesis; it is superior to Herbert Spencer’s theory.

ARW differs somewhat with CD’s chapter on causes of variability [ch. 22 in Variation]. Thinks several of CD’s arguments are unsound.

Briefly discusses how natural selection might aid in producing sterility between allied species.

Contributor:
Darwin Correspondence Project
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DCP-LETT-5940

From:
Charles Robert Darwin
To:
Alfred Russel Wallace
Date:
27 Feb [1868]
Source of text:
The British Library (Add MS 46434: 108–11)
Summary:

Pleased by ARW’s response to Pangenesis.

On negative reception by his friends.

Further argument concerning sterility and natural selection.

Polygamy and sexual selection.

Protection.

Contributor:
Darwin Correspondence Project
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