From:
Charles Robert Darwin
To:
Sven Ludvig (Sven) Lovén
Date:
28 Jan 1876
Source of text:
Centrum för vetenskapshistoria, Kungl. Vetenskapsakademien (Sven Lovéns arkiv, Inkommande brev, vol E1:3)
Summary:
Thanks for SL’s [Études sur les echinoïdées (1875)]. Nothing could be more difficult than the homologies of this group.
Contributor:
Darwin Correspondence Project