From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
19 Aug 1868
Source of text:
Lund University Library Special Collections (Sven Nilsson papers)
Summary:
Asks JDH to obtain from Sven Nilsson information on whether, in reindeer species in which both sexes are horned, the horns are first developed earlier or later than in species in which males alone have horns.
Contributor:
Darwin Correspondence Project