From John William Douglas 20 February 1868
Summary
Notes on sexual differences in British Hemiptera.
| Author: | John William Douglas |
| Addressee: | Charles Robert Darwin |
| Date: | 20 Feb 1868 |
| Classmark: | DAR 81: 87 |
| Letter no: | DCP-LETT-5904 |
Document type
| letter | (1) |
Addressee
| Darwin, C. R. | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Douglas, J. W. | (1) |
Date
| 1868 | (1) |
