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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Trowbridge, C. C.
    Type: Article
    In: The Auk
    Volume: 12
    Date: 1895
    Page Range: 259--270
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  2. By: Trowbridge, C. C.
    Type: Article
    In: The Auk
    Volume: 14
    Date: 1897
    Page Range: 209--210
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-