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  1. By: Jeffreys, J G
    Type: Article
    In: Nature
    Volume: 1
    Date: 1869
    Page Range: 135--136
    Publication Info: London, etc, Macmillan Journals Ltd., etc,
  2. By: Jeffreys, J G
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 20
    Series: 3
    Date: 1867
    Page Range: 247--254
    Publication Info: London Taylor and Francis, Ltd
  3. By: Jeffreys, J G
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 4
    Series: 2
    Date: 1849
    Page Range: 299--300
    Publication Info: London Taylor and Francis, Ltd
  4. By: Jeffreys, J G
    Type: Article
    In: Proceedings of the Zoological Society of London
    Volume: 1882
    Date: 1883
    Page Range: 656--687
    Publication Info: London, Academic Press, [etc.], 1833-1965
  5. By: Jeffreys, J G - Dillwyn, L W
    Type: Article
    In: Transactions of the Linnean Society of London
    Volume: 16
    Date: 1830
    Page Range: 323--391
    Publication Info: London, [The Society], 1791-1875,
  6. By: Jeffreys, J G
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 2
    Series: 2
    Date: 1848
    Page Range: 330--351
    Publication Info: London Taylor and Francis, Ltd