Search: Darwin, C. R. in addressee 
Howell, J. W. in correspondent 
1870-1879 in date 
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From:
J. W. Howell
To:
Charles Robert Darwin
Date:
31 Mar 1878
Source of text:
DAR 201: 15
Summary:

Asks why pigeons fly in a circle.

Contributor:
Darwin Correspondence Project
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