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Darwin, G. H. in correspondent 
1870-1879::1876::01 in date 
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From:
Charles Robert Darwin
To:
George Howard Darwin
Date:
8 Jan [1876]
Source of text:
DAR 210.1: 50
Summary:

Asks GHD to calculate average or mean heights of crossed and self-fertilised plant species.

Contributor:
Darwin Correspondence Project
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