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To William Marshall 6 June [1872]
Summary
Thanks WALM for having sent interesting publications, especially the one on relation of structure of man to lower animals,
and just a few days since, on protuberances on bird skulls. WALM’s facts on the latter subject have an important bearing on the acquisition of sexual characters. CD is pleased that the influence of sexual selection is admitted.
| Author: | Charles Robert Darwin |
| Addressee: | William Adolf Ludwig (William) Marshall |
| Date: | 6 June [1872] |
| Classmark: | Smithsonian Libraries and Archives (Dibner Library of the History of Science and Technology MSS 405 A. Gift of the Burndy Library) |
| Letter no: | DCP-LETT-8371A |
From William Marshall 15 October 1872
Summary
WM converted to belief in evolution by experience of museum work.
Describes protective coloration of coots’ eggs.
| Author: | William Adolf Ludwig (William) Marshall |
| Addressee: | Charles Robert Darwin |
| Date: | 15 Oct 1872 |
| Classmark: | DAR 171: 47 |
| Letter no: | DCP-LETT-8560 |
Addressee
| Darwin, C. R. | (1) |
| Marshall, William | (1) |
