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To Leonard Jenyns   22 February [1868]

Summary

Asks LJ which British birds are polygamous. His query relates to the possession by the male of secondary sexual characters.

CD is also interested in the numerical proportion of the sexes in birds.

Asks about the use of the horns in male lamellicorn or coprophagous beetles.

Author:  Charles Robert Darwin
Addressee:  Leonard Jenyns; Leonard Blomefield
Date:  22 Feb [1868]
Classmark:  Bath Royal Literary and Scientific Institution
Letter no:  DCP-LETT-5911

To Leonard Jenyns   29 February [1868]

Summary

Thanks LJ for his useful facts. Will "look to" the reference about the nightingale.

Author:  Charles Robert Darwin
Addressee:  Leonard Jenyns; Leonard Blomefield
Date:  29 Feb [1868]
Classmark:  Bath Royal Literary and Scientific Institution
Letter no:  DCP-LETT-5957

From Leonard Jenyns   27 February 1868

Summary

On polygamous birds and the pairing of birds. Late singing of males. [see Descent 2: 107.]

Author:  Leonard Jenyns; Leonard Blomefield
Addressee:  Charles Robert Darwin
Date:  27 Feb 1868
Classmark:  DAR 86: A14–15, DAR 84.1: 116–17
Letter no:  DCP-LETT-5944

From Leonard Jenyns   9 May 1868

Summary

Sends his notes on Florent Prévost’s reference to the habits of the cuckoo.

Author:  Leonard Jenyns; Leonard Blomefield
Addressee:  Charles Robert Darwin
Date:  9 May 1868
Classmark:  DAR 168: 58
Letter no:  DCP-LETT-6168
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letter (4)
Correspondent