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  1. By: Nelson, Harry G
    Type: Article
    In: The Coleopterists' Bulletin
    Volume: 3
    Issue: 6
    Date: 1949-12
    Page Range: 89--92
    Publication Info: [Washington, D.C. etc.], Coleopterists' Society,
  2. By: Nelson, Harry G
    Type: Article
    In: Bulletin
    Volume: 42
    Issue: 9
    Date: 1971
    Page Range: 16--19
    Publication Info: [Chicago], The Museum, 1966-1972