Freeman Bibliographical Database
| Identifier: | F1991 |
| Date: | 1870 |
| Concise reference: | Darwin, C. R. 1870. [Note on the age of certain birds]. In Lankester, E. R. On comparative longevity in man and the lower animals. London: Macmillan, p. 58. |
| Detailed reference: | (John van Wyhe) |