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To Henry Denny 7 November [1844]
Summary
Discusses HD’s information that same species of birds at remote stations have identical parasites. Urges him to investigate N. American land-bird parasites.
Is deeply interested in everything connected with geographical distribution, and the differences between species and varieties.
Author: | Charles Robert Darwin |
Addressee: | Henry Denny |
Date: | 7 Nov [1844] |
Classmark: | Cleveland Health Sciences Library (Robert M. Stecher collection) |
Letter no: | DCP-LETT-787 |
Document type
letter | (1) |
Correspondent
Darwin, C. R. | (1) |
Denny, Henry |