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From G. H. Darwin [after 8 January 1876]
Summary
Provides CD with a method of obtaining a numerical ratio that expresses the superiority in heights of crossed plants to self-fertilised plants.
Author: | George Howard Darwin |
Addressee: | Charles Robert Darwin |
Date: | [after 8 Jan 1876] |
Classmark: | DAR 77: 144–5 |
Letter no: | DCP-LETT-10349 |