Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR60.2.35a |
| Date: | [Undated] |
| Name: | Darwin Charles Robert |
| Attributed title: | [illegible] `Proceedings of the Royal Society of Edinburgh' 25 6 Jan 1868 |
| Document type: | Abstract |
| Cross reference: | [Marginalia vol.3] |