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Darwin, C. R. in correspondent 
1870-1879::1877::07::06 in date 
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From:
John Brigg
To:
Charles Robert Darwin
Date:
6 July 1877
Source of text:
DAR 160: 309
Summary:

Thanks CD for account of F. A. Pouchet’s experiments. Cannot yet dispute his conclusions.

Continues experiments on the colour of goldfish as affected by light and presence of plants.

Contributor:
Darwin Correspondence Project
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