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  1. By: Fritsch, Gustav,
    Publication info: Leipzig, von Veit, 1887-1890
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Sachs, Karl, - Du Bois-Reymond, Emil Heinrich, - Fritsch, Gustav,
    Publication info: Leipzig, Veit, 1881
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  1. By: Fritsch, Gustav,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 11
    Series: 5
    Date: 1883
    Page Range: 58--61
    Publication Info: London Taylor and Francis, Ltd