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  1. The classification, evolution, and dispersal of the winter stonefly genus Allocapnia
    By: Ross, Herbert Holdsworth, - Ricker, William Edwin.
    Publication info: Urbana,University of Illinois Press[1971]
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Allocapnia  Geographical distribution  Insects  North America  
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