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From:
John Downing
To:
Charles Robert Darwin
Date:
13 Nov 1873
Source of text:
DAR 162: 241
Summary:

Is pleased that CD found the letters from Bell’s Weekly Messenger to the point.

Encloses extracts relating to benefits derived by animals from altered conditions of life.

Encloses notes on deterioration of short-horns from inbreeding. Breeders agree with him on benefits of introducing fresh blood into inbred stocks.

Contributor:
Darwin Correspondence Project
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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