Search: 1860-1869::1867::10::23 in date 
letter in document-type 
Charles Darwin in collection 
Sorted by:

Showing 11 of 1 item

From:
Heinrich Ludwig Hermann (Hermann) Müller
To:
Charles Robert Darwin
Date:
23 Oct 1867
Source of text:
DAR 171: 291
Summary:

Thanks for German version of Origin [1867].

Dipterous insects are adapted to eating pollen rather than only to sucking nectar. He describes such adaptations in two dipteran species.

Contributor:
Darwin Correspondence Project