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To E. S. Morse 23 April 1877
Summary
Thanks for ESM’s address ["What American zoologists have done for evolution", Proc. Am. Assoc. Adv. Sci. 25 (1876)].
J. A. Allen’s work is important as apparently showing change through direct action of [external] conditions.
CD has given up trying to understand E. D. Cope and Alpheus Hyatt on acceleration and retardation.
| Author: | Charles Robert Darwin |
| Addressee: | Edward Sylvester Morse |
| Date: | 23 Apr 1877 |
| Classmark: | Peabody Essex Museum: Phillips Library (E. S. Morse Papers, E 2, Box 3, Folder 11) |
| Letter no: | DCP-LETT-10938 |
Document type
| letter | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Morse, E. S. | (1) |
