From:
Daniel Oliver
To:
Charles Robert Darwin
Date:
19 Sept 1860
Source of text:
DAR 58.1: 12–13
Summary:
CD’s observations on preference of Drosera for milk and nitrogenous fluids, and the effect of nitrate of ammonia are interesting. Asks whether CD is satisfied that the effect is not due to density of fluid or to a chemical irritant. His own observations suggest such possibilities.
Contributor:
Darwin Correspondence Project
