Freeman Bibliographical Database
| Identifier: | F1420 |
| Date: | 1886 |
| Concise reference: | Darwin, C. R. 1886. [Extracts from Darwin's notes] in Romanes, George J. Animal intelligence. London: Kegan Paul Trench and Co. 4th ed. |
| Detailed reference: | 1420. 1886 London, Kegan Paul Trench and Co. As F1418, but fourth edition. DLC. [337 |