Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR45.44 |
| Date: | [Undated] |
| Name: | Darwin Charles Robert |
| Attributed title: | Dr. Gray has written in Annals of Philosophy in July 1829— on variability of teeth in Bats introduce p. 32. Ch. 4. |
| Document type: | Abstract |
| Cross reference: | Notebooks: C159--C160; transcribed in F1817 |