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Hegt, J. N. in correspondent 
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From:
J. Noordhoek Hegt
To:
Charles Robert Darwin
Date:
11 Dec 1868
Source of text:
DAR 86: A39
Summary:

On spurs in peacocks. [See Descent 1: 290 n.]

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
J. Noordhoek Hegt
Date:
18 Dec 1868
Source of text:
Stadsarchief Amsterdam (395: 614)
Summary:

Thanks for information about the spurs in the young of Pavo muticus and Pavo cristatus.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
J. Noordhoek Hegt
Date:
19 Apr 1869
Source of text:
Stadsarchief Amsterdam (395: 614)
Summary:

Enquires about spurs in the last year’s birds of Pavo Spicifer and cristatus.

Enquires about sexual differences in mandrills.

Asks the correct spelling of JNH’s surname and offers to send a copy of Journal of Researches.

Contributor:
Darwin Correspondence Project
From:
J. Noordhoek Hegt
To:
Charles Robert Darwin
Date:
[23 Apr 1869]
Source of text:
DAR 86: A40
Summary:

The peacocks mentioned in his last letter as yet show no differences in development of spurs. [See Descent 1: 290 n.]

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
J. Noordhoek Hegt
Date:
27 Apr [1869]
Source of text:
Stadsarchief, Amsterdam (395: 614)
Summary:

Arranges to send a copy of Journal of researches.

Contributor:
Darwin Correspondence Project