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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ogilvie‐ghant, W R
    Type: Article
    In: Ibis
    Volume: 5
    Series: 10
    Issue: 1
    Date: 1917
    Page Range: 72--90
    Publication Info: [London], Published for the British Ornithologists' Union by Academic Press,