Freeman Bibliographical Database
| Identifier: | F2105 |
| Date: | 1889 |
| Concise reference: | Darwin, C. R. 1889. [Extracts from notes on variation under nature]. In A. R. Wallace. 1889. Darwinism: an exposition of the theory of natural selection with some of its applications. London: Macmillan, pp. 46, 69, 79-89. |