Freeman Bibliographical Database
| Identifier: | A4687 |
| Date: | 1880 |
| Concise reference: | Hyatt, Alpheus. 1880. The genesis of the Tertiary species of Planorbis at Steinheim. [Anniversary Memoirs Boston Society of Natural History 1880: 1-114] Boston: Boston Society of Natural History. [inscribed][Darwin Library-Down] |