. Bulletin - United States National Museum. 1^8 The Dipterous Genus Dolichopus in North America. For Explanation of Plate see Pages 299 and 300. U. S. National Museum Bulletin 116, PL. 11. 160 a THE DIPTEROUS GENUS DOLICHOPUS IN NORTH AMERICA. FOR EXPLANATION OF PLATE SEE PAGE 300. U. S. National Museut Bulletin 116, Pl. 12 162 a

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