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By: Rehn, James A. G. (James Abram Garfield),Edition:Publication info: 1919 & 1921Volume:Series:Holding Institution: Academy of Natural Sciences of Drexel University, Library and ArchivesSubjects: Academy of Natural Sciences of Philadelphia, Penns Arizona California Colorado Entomology Field note book Grasshoppers James A. G. Rehn James A. G. Rehn and Morgan Hebard Southwest-West Kansas Morgan Hebard Nevada New Mexico North American Fauna Oklahoma Texas UtahBHL Collections: