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From Alfred Newton 21 January 1867
Summary
Suggests that, in some birds, plumage of males is less colourful than that of females; the reason is that the males perform the duties of incubation [see Descent 2: 204 n.].
| Author: | Alfred Newton |
| Addressee: | Charles Robert Darwin |
| Date: | 21 Jan 1867 |
| Classmark: | DAR 84.1: 22–5 |
| Letter no: | DCP-LETT-5374 |
From Alfred Newton 1 March 1867
Summary
Male dotterels take care of young and are less brilliantly coloured than females.
| Author: | Alfred Newton |
| Addressee: | Charles Robert Darwin |
| Date: | 1 Mar 1867 |
| Classmark: | DAR 84.1: 28–9 |
| Letter no: | DCP-LETT-5426 |
Addressee
| Darwin, C. R. | (2) |
Correspondent
| Darwin, C. R. | (2) |
| Newton, Alfred | (2) |
