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From Alpheus Hyatt 8 January [1875]
Summary
Encloses report on his paper "Old age characteristics among ammonites", [Proc. Boston Soc. Nat. Hist. 17 (1875): 236–41].
Stability of long inherited characters. Dependence of some recently acquired characters on the environment.
| Author: | Alpheus Hyatt |
| Addressee: | Charles Robert Darwin |
| Date: | 8 Jan [1875] |
| Classmark: | DAR 166: 358 |
| Letter no: | DCP-LETT-9233 |
