From W. D. Fox 11 June [1858]
Summary
Discusses instinct in ducks and turkeys.
Reports a case of the inheritance of an acquired characteristic in a pig.
Author: | William Darwin Fox |
Addressee: | Charles Robert Darwin |
Date: | 11 June [1858] |
Classmark: | DAR 164: 194 |
Letter no: | DCP-LETT-7815 |