Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR205.3.152 |
| Date: | 1853.02.00 |
| Name: | Darwin Charles Robert |
| Attributed title: | It certainly is very difficult to understand why so much variation in the |
| Description: | Alps, America (North), Appennines, Canary Islands, Europe, Galapagos, United States |
| Document type: | Note |