From:
Robert Elliot
To:
George Cupples
Date:
4 June 1869
Source of text:
DAR 86: A30–1, A62
Summary:
Proportion of sexes in (new-born) lambs equal, but males more likely to die.
Contributor:
Darwin Correspondence Project
Proportion of sexes in (new-born) lambs equal, but males more likely to die.