From:
John Edward Gray
To:
Charles Robert Darwin
Date:
2 Apr 1871
Source of text:
DAR 88: 95–6
Summary:
Sexual differences in sloths. J. G. Wagler article on sloths [Isis 24 (1831): 604–12].
Contributor:
Darwin Correspondence Project
Showing 1–2 of 2 items
Sexual differences in sloths. J. G. Wagler article on sloths [Isis 24 (1831): 604–12].
Encloses notes that illustrate apparent intelligent reasoning by a dog which tricked an adversary, and by an elephant peaceably enduring a painful operation.