Wallace Online Bibliographical Database
| Identifier: | S039 |
| Date: | 1858.01.00 |
| Concise reference: | Wallace, A. R. 1858. Note on the theory of permanent and geographical varieties. Zoologist 16 (185-186): 5887-5888. |
John van Wyhe, ed. 2012-. Wallace Online (http://wallace-online.org/) 