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To Asa Gray 11 November [1859]
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.
| Author: | Charles Robert Darwin |
| Addressee: | Asa Gray |
| Date: | 11 Nov [1859] |
| Classmark: | Archives of the Gray Herbarium, Harvard University (17) |
| Letter no: | DCP-LETT-2520 |
