Freeman Bibliographical Database
| Identifier: | A5136 |
| Date: | 1866 |
| Concise reference: | Meigs, James Aitken. 1866. Observations upon the cranial forms of the American aborigines, based on specimens contained in the collection of the Academy. Proceedings of the Academy of Natural Sciences in Philadelphia 5: 197-235. [Darwin Pamphlet Collection] |