From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
28 [Dec 1862]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:
Can WBT help get an answer to a query on ducks?
Has heard of a case of special sterility in cattle, in which a particular pair are sterile, but the individuals are both fertile with others.
Contributor:
Darwin Correspondence Project