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  1. By: Holt, Ernest W L
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1898
    Date: 1898
    Page Range: 550--566
    Publication Info: London Academic Press, [etc.] 1833-1965
  2. By: Holt, Ernest W L
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 4
    Series: 6
    Date: 1889
    Page Range: 368--372
    Publication Info: London Taylor and Francis, Ltd
  3. By: Holt, Ernest W L
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 5
    Series: 6
    Date: 1890
    Page Range: 256--257
    Publication Info: London Taylor and Francis, Ltd
  4. By: Holt, Ernest W L
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 8
    Series: 6
    Date: 1891
    Page Range: 182--184
    Publication Info: London Taylor and Francis, Ltd