Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR48.B46 |
| Date: | [Undated] |
| Name: | Darwin Erasmus Alvey amanuensis and Darwin Charles Robert |
| Attributed title: | [illustration of hexagon, annotated] |
| Document type: | Miscellaneous |
| Cross reference: | Marginalia vol.2: [T83] |