Search: Darwin, C. R. in correspondent 
Placzek, B. J. in correspondent 
1880-1889 in date 
Darwin, C. R. in author 
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From:
Charles Robert Darwin
To:
Baruch Jakob Placzek
Date:
[after 19 Nov 1880]
Source of text:
Placzek 1883, p. 112 n.
Summary:

Expresses doubts that pigeons could rest one wing during flight.

Contributor:
Darwin Correspondence Project