Search: Weir, J. J. in author 
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1860-1869::1868 in date 
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[before 18 June 1868]
Source of text:
DAR 84.1: 141–2
Summary:

Coloration of linnets.

Sexual behaviour of black hen bullfinch.

Contributor:
Darwin Correspondence Project
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[before 17] Oct 1868
Source of text:
DAR 86: A36, 53; DAR 84.1: 139
Summary:

Both sexes of Crossoptilon auritum (eared pheasant) obtained the red cheeks the first year.

Coloration of the linnet.

Contributor:
Darwin Correspondence Project