From:
Charles Robert Darwin
To:
Albrecht Carl Ludwig Gotthilf (Albert) Günther
Date:
7 Dec [1867]
Source of text:
Shrewsbury School, Taylor Library
Summary:
Sends his photograph.
Asks for any information of well-marked sexual differences in snakes, batrachians, or lizards. The rattlesnakes at the Zoological Garden differ considerably in colour.
Contributor:
Darwin Correspondence Project