Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR45.179-180 |
| Date: | 1872.07.18 |
| Name: | Gulick John Thomas |
| Attributed title: | On the variation of species as related to their geographical distribution, illustrated by the Achatinellinae `Nature' 6: 222-224 |
| Document type: | Printed |
| Cross reference: | [Marginalia vol.3] |