From:
Vladimir Onufrievich Kovalevsky (Владимир Онуфриевич Ковалевский)
To:
Charles Robert Darwin
Date:
30 Aug 1873
Source of text:
V. O. Kovalevsky 1873–4 , pp. [ii–iii]
Summary:
Talks of his attempts to describe the course of descent for a part of the animal kingdom, and thanks CD for his help and support.
Contributor:
Darwin Correspondence Project