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Darwin, C. R. in correspondent 
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From:
William Henty
To:
Charles Robert Darwin
Date:
23 May 1868
Source of text:
DAR 85: B24, DAR 166: 182
Summary:

Sex ratios in cattle and sheep.

Contributor:
Darwin Correspondence Project
From:
William Henty
To:
Charles Robert Darwin
Date:
20 Feb 1868
Source of text:
DAR 166: 181, 183
Summary:

Has read CD’s inquiry about proportional numbers of males and females born to domestic animals [see 5863] and outlines his theory regarding the factors determining the sex of offspring.

Contributor:
Darwin Correspondence Project