Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR68.42 |
| Date: | [Undated] |
| Name: | [Darwin Horace (Sir [1918])?] amenuensis for Darwin Charles Robert |
| Attributed title: | Mean actinism [table and comment] |
| Description: | Chatham, Abney (Capt) |
| Document type: | Note |