From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
[before 3] Mar 1868
Source of text:
DAR 84.1: 51–2 and DAR 82: A107–8
Summary:
Aggressive behaviour of a bullfinch toward new arrival in JJW’s aviary.
Sexual differences in goldfinches: size of beaks.
Sexual selection in Lepidoptera.
Thinks Dr Alex Wallace’s observations on Bombyx not conclusive in proving that no preference is shown by females.
Contributor:
Darwin Correspondence Project