Wallace Online Bibliographical Database
| Identifier: | S716 |
| Date: | 1870.04.00 |
| Concise reference: | Wallace, A. R. 1870. Contributions to the theory of natural selection. A series of essays. London & New York: Macmillan & Co. |
John van Wyhe, ed. 2012-. Wallace Online (http://wallace-online.org/) 