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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 [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 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 |