From:
Arthur John Edward (Arthur) Russell, Lord Arthur Russell
To:
Charles Robert Darwin
Date:
15 Apr 1872
Source of text:
DAR 176: 225
Summary:
Has acquired some French frogs, Rana esculenta, which have mated with R. temporaria, but the spawn has not developed.
Asks whether anyone has successfully crossed frogs and toads.
Contributor:
Darwin Correspondence Project