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Newton, Alfred in correspondent 
1860-1869::1867 in date 
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From:
Alfred Newton
To:
Charles Robert Darwin
Date:
21 Jan 1867
Source of text:
DAR 84.1: 22–5
Summary:

Suggests that, in some birds, plumage of males is less colourful than that of females; the reason is that the males perform the duties of incubation [see Descent 2: 204 n.].

Contributor:
Darwin Correspondence Project
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From:
Alfred Newton
To:
Charles Robert Darwin
Date:
1 Mar 1867
Source of text:
DAR 84.1: 28–9
Summary:

Male dotterels take care of young and are less brilliantly coloured than females.

Contributor:
Darwin Correspondence Project
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Text Online
From:
Alfred Newton
To:
Alfred Russel Wallace
Date:
4 March 1867
Source of text:
British Library, The: BL Add. 46435 ff. 26-27
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
Text Online
From:
Alfred Newton
To:
Alfred Russel Wallace
Date:
23 April 1867
Source of text:
British Library, The: BL Add. 46435 f. 41
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project