To Charles Lyell   8 October [1845]

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.

Letter details

Record number

DCP-LETT-919

From

Charles Robert Darwin

To

Charles Lyell, 1st baronet

Date

8 Oct [1845]

Sent from

Shrewsbury

Source of text

American Philosophical Society (Mss.B.D25.46)

Physical description

4pp

Contributor

Darwin Correspondence Project[View Ɛpsilon collection]

Also published in The Correspondence of Charles Darwin, vol. 3.

• Darwin, C. R.
• Lyell, Charles