Freeman Bibliographical Database
| Identifier: | A6253 |
| Date: | 1862 |
| Concise reference: | Walsh, Benjamin Dann. 1862. List of the Pseudoneuroptera of Illinois contained in the cabinet of the writer, with descriptions of over forty new species, and notes on their structural affinities. Proceedings of the Academy of Natural Sciences of Philadelphia, 14, nos. 7-9: 361-402. [inscribed][Darwin Pamphlet Collection] |