From:
William Aitchison
To:
George Cupples
Date:
25 June 1869
Source of text:
DAR 86: A63–4
Summary:
Statistics on proportion of sexes of lambs.
Contributor:
Darwin Correspondence Project
From:
Robert Elliot
To:
George Cupples
Date:
25 June 1869
Source of text:
DAR 86: A65
Summary:
Number of lambs born not kept. Counted only at time of castration.
Proportion of sexes in cattle and rats.
Contributor:
Darwin Correspondence Project
