To James Crichton-Browne 5 January 1874
Summary
Requests help for George Darwin’s investigation of marriages of first cousins. Seeks to determine proportion of first-cousin offspring among the insane, deaf and dumb, blind, etc.
Author: | Charles Robert Darwin |
Addressee: | James Crichton-Browne |
Date: | 5 Jan 1874 |
Classmark: | DAR 143: 347 |
Letter no: | DCP-LETT-9227 |
Document type
letter | (1) |
Author
Darwin, C. R. | (1) |
Addressee
Correspondent
Crichton-Browne, James | (1) |
Darwin, C. R. | (1) |