From:
Charles Robert Darwin
To:
Leonard Jenyns; Leonard Blomefield
Date:
12 Oct [1844]
Source of text:
Bath Royal Literary and Scientific Institution
Summary:
Asks whether LJ can throw light on this subject: "What are the checks and what the periods of life by which the increase of any given species is limited?" CD has been driven to conclude that species are mutable; allied species are co-descendants from common stocks.
Contributor:
Darwin Correspondence Project