Freeman Bibliographical Database
| Identifier: | A5228 |
| Date: | 1871 |
| Concise reference: | Morse, Edward Sylvester. 1871. Notes on the early stages of an ascidian (Cynthia pyriformis, Rathke). [Read 18 October.] Proceedings of the Boston Society of Natural History 14: 351-355, 1 pl. [Darwin Pamphlet Collection] |