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  1. By: Heron-Allen, Edward, - Earland, Arthur,
    Publication info: London Printed by order of the Trustees of the British Museum; sold by Longmans, Green 1922
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  1. By: Heron-Allen, Edward, - Earland, Arthur,
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 29
    Issue: 4
    Date: 1923
    Page Range: 325--331
    Publication Info: Paris, Imprimerie nationale, 1907-1971