Freeman Bibliographical Database
| Identifier: | A3914 |
| Date: | 1864 |
| Concise reference: | Dana, James Dwight. 1864. The classification of animals based on the principle of cephalization: Classification of insects. On fossil insects from the carboniferous formation in Illinois (From the American Journal of Science and Arts vol. XXXVII, Jan. 1864). [Darwin Pamphlet Collection] |