From:
Charles Robert Darwin
To:
George Henry Kendrick Thwaites
Date:
15 June [1862]
Source of text:
American Philosophical Society (Mss.B.D25.278)
Summary:
Refers to his Primula paper [Collected papers 2: 45–63]. Asks GHKT to investigate a similar case in Cinchona.
Contributor:
Darwin Correspondence Project