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From J. J. Weir   [before 30 May 1868]

Summary

Reversion of tamed animals to wild behaviour.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  [before 30 May 1868]
Classmark:  DAR 181: 73
Letter no:  DCP-LETT-5748

From J. J. Weir   [after 27 February] 1868

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Summary

Trusts his paper ["Apterous Lepidoptera" (1867), printed for the West Kent Natural History, Microscopical, and Photographic Society] showed that he is thoroughly a disciple of CD.

Cites evidence that birds undoubtedly distinguish colours. [see Descent 2: 110.]

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  [after 27 Feb] 1868
Classmark:  DAR 84.1: 77–80
Letter no:  DCP-LETT-5939

From J. J. Weir   [before 3] March 1868

Summary

Aggressive behaviour of a bullfinch toward new arrival in JJW’s aviary.

Sexual differences in goldfinches: size of beaks.

Sexual selection in Lepidoptera.

Thinks Dr Alex Wallace’s observations on Bombyx not conclusive in proving that no preference is shown by females.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  [before 3] Mar 1868
Classmark:  DAR 84.1: 51–2 and DAR 82: A107–8
Letter no:  DCP-LETT-5964

From J. J. Weir   [before 5] March 1868

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Summary

Does not think females give preference to any males. Coloration, pugnacity; cases of use of colour in struggle for existence. [see Descent 1: 395.]

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  [before 5] Mar 1868
Classmark:  DAR 82: A109–12
Letter no:  DCP-LETT-5985

From J. J. Weir   7 March 1868

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Summary

Various facts about birds: pairing, finding new mates, protective coloration, polygamy, sexual differences.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  7 Mar 1868
Classmark:  DAR 86: A21–4
Letter no:  DCP-LETT-5995

From J. J. Weir   11 March 1868

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Summary

Courtship of goldfinches. Male display. [See Descent 2: 95.]

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  11 Mar 1868
Classmark:  DAR 84.1: 53–6
Letter no:  DCP-LETT-6005

From J. J. Weir   16 March 1868

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Summary

Sexual selection of pigeons, ducks;

polygamous birds.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  16 Mar 1868
Classmark:  DAR 84.1: 57–60
Letter no:  DCP-LETT-6016

From J. J. Weir   23 March 1868

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Summary

Relates a variety of facts about sexual selection in birds. [See Descent 2: 104–5.]

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  23 Mar 1868
Classmark:  DAR 84.1: 61–4
Letter no:  DCP-LETT-6041

From J. J. Weir   24 March 1868

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Summary

Experiments to test Wallace’s theory that brightly coloured caterpillars are rejected by birds. [See Descent 1: 417.]

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  24 Mar 1868
Classmark:  DAR 84.1: 65–8
Letter no:  DCP-LETT-6046

From J. J. Weir   [26] March 1868

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Summary

Proportions of sexes in birds as reported by bird-catchers.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  [26] Mar 1868
Classmark:  DAR 86: C5–9
Letter no:  DCP-LETT-6056

From J. J. Weir   31 March 1868

Summary

Sexual behaviour of chaffinches.

Numbers of female linnets in September.

His experiments on brightly coloured larvae [as food], testing A. R. Wallace’s theory.

His observations of a rookery make him wonder whether it may not be more difficult than we think for birds to pair.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  31 Mar 1868
Classmark:  DAR 46.1: 98–101, DAR 84.1: 69–70
Letter no:  DCP-LETT-6074

From J. J. Weir   [before 28 April] 1868

Summary

Proportion of sexes in chaffinches.

Pugnacity of blackbirds and robins.

Harrison Weir reports up to nine eggs in starling nests.

Newspaper report of a sheep born with its owner’s brand.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  [before 28 Apr] 1868
Classmark:  DAR 86: C1–2, DAR 84.1: 73–4
Letter no:  DCP-LETT-6078

From J. J. Weir   5 April 1868

Summary

George Rolleston’s son was born with a scar on his knee exactly where GR cut himself with a knife years before his marriage. Gives several other examples of inherited mutilation.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  5 Apr 1868
Classmark:  DAR 181: 74
Letter no:  DCP-LETT-6093

From J. J. Weir   16 April 1868

Summary

Describes a curious litter of rabbits.

Pairing of rooks, courtship of golden pheasant.

Behaviour of finch hybrids.

Seasonal coloration of birds; bright plumage results from sexual selection.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  16 Apr 1868
Classmark:  DAR 84.1: 71–2, 140, DAR 181: 75
Letter no:  DCP-LETT-6125

From J. J. Weir   20 April 1868

Summary

Instinct in birds; nest-building.

Inheritance of acquired characters.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  20 Apr 1868
Classmark:  DAR 181: 76
Letter no:  DCP-LETT-6130

From J. J. Weir   28 April – 4 May 1868

Summary

Observations on root-climbers. Variegated and arborescent varieties of Hedera.

[CD’s notes are for his reply, 6165.]

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  28 Apr – 4 May 1868
Classmark:  DAR 181: 77
Letter no:  DCP-LETT-6145

From J. J. Weir   [4–7] May 1868

Summary

Proportion of sexes in ruffs [see Descent 1: 306].

Colour display in linnets, songbirds. Courtship display of Australian pigeon at zoo.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  [4–7] May 1868
Classmark:  DAR 84.1: 75–6, DAR 86: C3–4
Letter no:  DCP-LETT-6151

From J. J. Weir   [14 April 1868]

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Summary

Starlings find new mates readily. Nesting in threes common.

Recognition of song by birds.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  [14 Apr 1868]
Classmark:  DAR 84.1: 88–9
Letter no:  DCP-LETT-6152

From J. J. Weir   18 May 1868

Summary

Answers CD’s question on whether any female birds regularly sing.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  18 May 1868
Classmark:  DAR 84.1: 81–2, DAR 86: A37–8
Letter no:  DCP-LETT-6181

From J. J. Weir   3 June 1868

Summary

Plumage of canaries; changes in plumage with successive moults.

Author:  John Jenner Weir
Addressee:  Charles Robert Darwin
Date:  3 June 1868
Classmark:  DAR 181: 78
Letter no:  DCP-LETT-6226
Document type
letter (22)
Author
Weir, J. J.[X]
Addressee
Darwin, C. R.[X]
Correspondent
Date
1868
02 (1)
03 (9)
04 (6)
05 (3)
06 (2)
10 (1)
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