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To J. N. Hegt   18 December 1868

Summary

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

Author:  Charles Robert Darwin
Addressee:  J. Noordhoek Hegt
Date:  18 Dec 1868
Classmark:  Stadsarchief Amsterdam (395: 614)
Letter no:  DCP-LETT-6507F

To J. Noordhoek Hegt   19 April 1869

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.

Author:  Charles Robert Darwin
Addressee:  J. Noordhoek Hegt
Date:  19 Apr 1869
Classmark:  Stadsarchief Amsterdam (395: 614)
Letter no:  DCP-LETT-6705F

To J. N. Hegt   27 April [1869]

Summary

Arranges to send a copy of Journal of researches.

Author:  Charles Robert Darwin
Addressee:  J. Noordhoek Hegt
Date:  27 Apr [1869]
Classmark:  Stadsarchief, Amsterdam (395: 614)
Letter no:  DCP-LETT-6714F

From J. Noordhoek Hegt   11 December 1868

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Summary

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

Author:  J. Noordhoek Hegt
Addressee:  Charles Robert Darwin
Date:  11 Dec 1868
Classmark:  DAR 86: A39
Letter no:  DCP-LETT-6499

From J. N. Hegt   [23 April 1869]

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Summary

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

Author:  J. Noordhoek Hegt
Addressee:  Charles Robert Darwin
Date:  [23 Apr 1869]
Classmark:  DAR 86: A40
Letter no:  DCP-LETT-6711
Document type
letter (5)
Author
Addressee
Correspondent
Darwin, C. R.[X]
Hegt, J. N.[X]
Date
1868 (2)
1869 (3)
letter