From:
Charles Robert Darwin
To:
John Jenner Weir
Date:
[6 Mar 1868]
Source of text:
American Philosophical Society (Mss.B.D25.348)
Summary:
Discusses beaks and relative numbers of the sexes of goldfinches.
Comments on sexual selection among butterflies.
Mentions Kerguelen moth collected by Hooker.
Comments on JJW’s observations on coloured birds.
Contributor:
Darwin Correspondence Project