Freeman Bibliographical Database
| Identifier: | A5753 |
| Date: | 1878 |
| Concise reference: | Ryder, John A. 1878. On the mechanical genesis of tooth-forms. Proceedings of the Academy of Natural Sciences in Philadelphia 30: 45-80. [Darwin Pamphlet Collection] |
| Identifier: | A5753 |
| Date: | 1878 |
| Concise reference: | Ryder, John A. 1878. On the mechanical genesis of tooth-forms. Proceedings of the Academy of Natural Sciences in Philadelphia 30: 45-80. [Darwin Pamphlet Collection] |