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Weir, J. J. in author 
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[after 27 Feb] 1868
Source of text:
DAR 84.1: 77–80
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.]

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[before 3] Mar 1868
Source of text:
DAR 84.1: 51–2 and DAR 82: A107–8
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.

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[before 5] Mar 1868
Source of text:
DAR 82: A109–12
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.]

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
7 Mar 1868
Source of text:
DAR 86: A21–4
Summary:

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

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
11 Mar 1868
Source of text:
DAR 84.1: 53–6
Summary:

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

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
16 Mar 1868
Source of text:
DAR 84.1: 57–60
Summary:

Sexual selection of pigeons, ducks;

polygamous birds.

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
23 Mar 1868
Source of text:
DAR 84.1: 61–4
Summary:

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

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
24 Mar 1868
Source of text:
DAR 84.1: 65–8
Summary:

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

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[26] Mar 1868
Source of text:
DAR 86: C5–9
Summary:

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

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
31 Mar 1868
Source of text:
DAR 46.1: 98–101, DAR 84.1: 69–70
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.

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
5 Apr 1868
Source of text:
DAR 181: 74
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.

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[14 Apr 1868]
Source of text:
DAR 84.1: 88–9
Summary:

Starlings find new mates readily. Nesting in threes common.

Recognition of song by birds.

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
16 Apr 1868
Source of text:
DAR 84.1: 71–2, 140, DAR 181: 75
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.

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
20 Apr 1868
Source of text:
DAR 181: 76
Summary:

Instinct in birds; nest-building.

Inheritance of acquired characters.

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[before 28 Apr] 1868
Source of text:
DAR 86: C1–2, DAR 84.1: 73–4
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.

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
28 Apr – 4 May 1868
Source of text:
DAR 181: 77
Summary:

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

[CD’s notes are for his reply, 6165.]

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[4–7] May 1868
Source of text:
DAR 84.1: 75–6, DAR 86: C3–4
Summary:

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

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

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
18 May 1868
Source of text:
DAR 84.1: 81–2, DAR 86: A37–8
Summary:

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

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[before 30 May 1868]
Source of text:
DAR 181: 73
Summary:

Reversion of tamed animals to wild behaviour.

Contributor:
Darwin Correspondence Project
From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
3 June 1868
Source of text:
DAR 181: 78
Summary:

Plumage of canaries; changes in plumage with successive moults.

Contributor:
Darwin Correspondence Project