From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
8 Oct [1845]
Source of text:
American Philosophical Society (Mss.B.D25.46)
Summary:
Discusses American Negroes and their parasitic lice. Henry Denny’s need for lice specimens.
Discusses effects of racial crosses in man.
Describes his trip to Yorkshire.
Comments on Sedgwick’s review [of Vestiges of creation].
Mentions Humboldt’s Kosmos. Criticises Humboldt’s geology.
Contributor:
Darwin Correspondence Project
