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  1. By: Fiedler, Karl,
    Type: Article
    In: Zoologische Jahrbücher
    Volume: 4
    Date: 1889
    Page Range: 859--878
    Publication Info: Jena [Germany], G. Fischer,
  2. By: Fiedler, Karl,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 20
    Series: 5
    Date: 1887
    Page Range: 435--440
    Publication Info: London Taylor and Francis, Ltd