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To Friedrich Rolle 24 November 1868
Summary
Thanks for information on fowls.
Glad to see extracts from Blumenbach about sexual differences in fowls.
| Author: | Charles Robert Darwin |
| Addressee: | Friedrich Rolle |
| Date: | 24 Nov 1868 |
| Classmark: | Senckenberg Forschungsinstitut und Naturmuseum, Frankfurt (SNG-Archiv: Malakol.: Nachlass Rolle) |
| Letter no: | DCP-LETT-6472 |
