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Henty, William in correspondent 
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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
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:
Charles Robert Darwin
To:
William Henty
Date:
26 May 1868
Source of text:
Clifford D. Stromberg (private collection)
Summary:

Thanks WH for sending a table about sheep. Wishes to know if the sheep belonged to one or several breeds. Mr Harward, a breeder of shorthorns, has tried M. Thury’s plan, and it failed.

Contributor:
Darwin Correspondence Project