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To W. B. Tegetmeier 25 February [1869]
Summary
Inquires about colour and development of plumage of poultry breeds. Is endeavouring to trace sexual differences throughout the animal kingdom.
| Author: | Charles Robert Darwin |
| Addressee: | William Bernhard Tegetmeier |
| Date: | 25 Feb [1869] |
| Classmark: | Archives of the New York Botanical Garden (Charles Finney Cox Collection) |
| Letter no: | DCP-LETT-6633 |
Document type
| letter | (1) |
