From:
Charles Robert Darwin
To:
Friedrich Rolle
Date:
24 Nov 1868
Source of text:
Senckenberg Forschungsinstitut und Naturmuseum, Frankfurt (SNG-Archiv: Malakol.: Nachlass Rolle)
Summary:
Thanks for information on fowls.
Glad to see extracts from Blumenbach about sexual differences in fowls.
Contributor:
Darwin Correspondence Project