From:
Charles Robert Darwin
To:
Asa Gray
Date:
11 Nov [1859]
Source of text:
Archives of the Gray Herbarium, Harvard University (17)
Summary:
Sends copy of Origin for comments.
Does not feel AG’s views of migration after the last glaciation explain distribution in U. S. as well as CD’s view of migration prior to glaciation.
Contributor:
Darwin Correspondence Project