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  1. By: Lorenz, Th.
    Publication info: Riga, Müllersche Buchdruckerei, 1895
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  1. By: Lorenz, Th.
    Type: Article
    In: Journal für Ornithologie
    Volume: 37
    Series: 4
    Date: 1889
    Page Range: 153--160
    Publication Info: Berlin, Friedländer,