Freeman Bibliographical Database
| Identifier: | A6254 |
| Date: | 1863 |
| Concise reference: | Walsh, Benjamin Dann. 1863. Observations on certain North American Neuroptera, by H. Hagen, M.D., of Koenigsberg, Prussia; translated from the original French MS., and published by permission of the author, with notes and descriptions of about twenty new species of North American Pseudoneuroptera. Proceedings of the Entomological Society of Philadelphia 2: 167-272. [inscribed][Darwin Pamphlet Collection] |