Freeman Bibliographical Database
| Identifier: | A4685 |
| Date: | 1875 |
| Concise reference: | Hyatt, Alpheus. 1875. Revision of the North American Poriferae, with remarks upon foreign species. Part II. Memoirs of the Boston Society of Natural History 2, pt. 4 no. 5: 481-557, pls. 15-17. [Darwin Pamphlet Collection] |