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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 336]
Walsh, Benjamin Dann. 1864-1866. On the insects, coleopterous, hymenopterous and dipterous inhabiting the galls of certain species of willow. Proceedings of the Entomological Society of Philadelphia 3: 543-641; (1866) 6: 223-288. [Darwin Pamphlet Collection 338, 416]
Walsh, Benjamin Dann. 1864. On certain entomological speculations of the New England school of naturalists. [Agassiz] Proceedings of the Entomological Society of Philadelphia 3: 207-249. [Darwin Pamphlet Collection 335]
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 330] |