Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR42.72 |
| Date: | [Undated] |
| Name: | Darwin Charles Robert |
| Attributed title: | Mr Greenough has deposited a series of Specimens to illustrate concretions in Geolog Soc |
| Description: | Geological Society (London), Greenhough |
| Document type: | Note |
| Cross reference: | [Marginalia vol.3] |