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  1. The migration of birds; a consideration of Herr Gätke's views, by F.B. Whitlock.
    By: Whitlock, F. B.
    Publication info: London,R.H. Porter,1897.
    Contributed by: Smithsonian Libraries
    Subjects: 1814-1897  Birds  Gätke, Heinrich,  Migration  
    BHL Collections: Smithsonian Libraries
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