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  1. Variation in Bonasa umbellus, with particular reference to the species in Canada east of the Rockies /
    By: Snyder, L. L. - Shortt, T. M. - Royal Ontario Museum of Zoology.
    Publication info: [Toronto] :Printed by the University of Toronto Press,1946.
    Contributed by: ROM - University of Toronto (
    Subjects: 1946  Canada  canimp  Ruffed grouse  
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