Freeman Bibliographical Database
| Identifier: | F1729 |
| Date: | 1863.04.25 |
| Concise reference: | Darwin, C. R. 1863. The doctrine of heterogeny and modification of species. Athenæum no. 1852 (25 April): 554-555. |
| Detailed reference: | 1729. 1863 [Letter] The doctrine of heterogamy and modification of species. Athenaeum, no. 1852, pp. 554-555. April 25. |