Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR50.C8 |
| Date: | [Undated] |
| Name: | Darwin Charles Robert |
| Attributed title: | [reference incomplete] `Sillimans Journal' 9: 36 |
| Description: | Marks of erosion & boulders at considerable heights in North America. "N." 1825. On boulders and rolled stones. [In a letter to 'Professor Silliman'.] American journal of science and arts, vol. 9: 28-39. |
| Document type: | Abstract |