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  1. By: Walter, Alfred
    Type: Article
    In: Zoologische Jahrbücher
    Volume: 3
    Date: 1888
    Page Range: 973--986
    Publication Info: Jena [Germany], G. Fischer,
  2. By: Walter, Alfred
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 1
    Series: 6
    Date: 1888
    Page Range: 164--164
    Publication Info: London Taylor and Francis, Ltd
  3. By: Radde, Gustav, - Walter, Alfred - Blasius, Wilhelm,
    Type: Article
    In: Zoologische Jahrbücher
    Volume: 4
    Date: 1889
    Page Range: 993--1094
    Publication Info: Jena [Germany], G. Fischer,
  4. By: Walter, Alfred
    Type: Article
    In: Zoologische Jahrbücher
    Volume: 3
    Date: 1888
    Page Range: 987--1014
    Publication Info: Jena [Germany], G. Fischer,
  5. By: Walter, Alfred
    Type: Article
    In: Zoologische Jahrbücher
    Volume: 4
    Date: 1889
    Page Range: 1110--1123
    Publication Info: Jena [Germany], G. Fischer,
  6. By: Walter, Alfred
    Type: Article
    In: Zoologische Jahrbücher
    Volume: 4
    Date: 1889
    Page Range: 1095--1109
    Publication Info: Jena [Germany], G. Fischer,