. Revision of the orthopteran group melanopli acridiidae with special reference to North American forms [microform]. Orthoptera -- North America; Acridiidae; Acridiens; Orthoptères -- Amérique du Nord. U. S. NATIONAL MUSEUM PROCEEDINC^S, VOL. XX PL. XXItl. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Scudder, Samuel H. (Samuel Hubbard), 1837-1911; Smithsonian Institution. Washington : G. P. O.


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