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) |
