Freeman Bibliographical Database
| Identifier: | A3912 |
| Date: | 1863 |
| Concise reference: | Dana, James Dwight. 1863. On certain parallel relations of the classes of vertebrates, and on some characteristics of the reptilian birds. (from: American Journal of Science and Arts vol. 36 (November).) Dana, James Dwight. 1863. The classification of animals based on the principle of cephalization. (from: American Journal of Science and Arts vol. 36 (November).) [Darwin Pamphlet Collection] |