To G. H. Darwin 8 January [1876]
Summary
Asks GHD to calculate average or mean heights of crossed and self-fertilised plant species.
| Author: | Charles Robert Darwin |
| Addressee: | George Howard Darwin |
| Date: | 8 Jan [1876] |
| Classmark: | DAR 210.1: 50 |
| Letter no: | DCP-LETT-10348 |
