Search: Darwin, C. R. in correspondent 
Downing, John in correspondent 
1870-1879::1874 in date 
Cambridge University Library in repository 
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From:
John Downing
To:
Charles Robert Darwin
Date:
29 Jan 1874
Source of text:
DAR 90: 79–84
Summary:

On proportion of sexes in births of cattle; variations in families. Encloses a letter from J. G. Grove on proportions of sexes in animals.

The limitation of inbreeding.

Contributor:
Darwin Correspondence Project
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