From:
Charles Robert Darwin
To:
Asa Gray
Date:
5 Sept [1857]
Source of text:
Archives of the Gray Herbarium, Harvard University (48)
Summary:
Encloses an abstract of his ideas on natural selection and the principle of divergence; the "means by which nature makes her species".
Discusses varieties and close species in large and small genera, finding some data from AG in conflict with his expectations.
Has been observing the action of bees in fertilising kidney beans and Lobelia.
Contributor:
Darwin Correspondence Project