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Smith, A. C. in correspondent 
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From:
Alfred Charles Smith
To:
Charles Robert Darwin
Date:
25 June 1873
Source of text:
DAR 177: 183
Summary:

Wonders whether CD has any idea how the cuckoo manages to match its eggs to those of its host; believes it possible that the diet of the nestling cuckoo, which varies with its host, may affect its behaviour and the colour of its eggs.

Contributor:
Darwin Correspondence Project