From:
John Graham
To:
George Cupples
Date:
6 July 1869
Source of text:
DAR A86: 68–9
Summary:
Responds to questions about sex ratios at birth and mortality in either sheep or cattle before eighteen months.
Contributor:
Darwin Correspondence Project
Showing 1–1 of 1 item
Responds to questions about sex ratios at birth and mortality in either sheep or cattle before eighteen months.