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  1. Check list of North American Naiades,
    By: Wright, Berlin Hart. - Simpson, Charles Torrey, - Walker, Bryant,
    Publication info: Detroit, Mich.,1902.
    Contributed by: Cornell University Library
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  2. A descriptive catalogue of the Naiades, or pearly fresh-water mussels.
    By: Simpson, Charles Torrey,
    Publication info: Detroit, Mich.,Bryant Walker,1914.
    Contributed by: Smithsonian Libraries
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  3. In lower Florida wilds; a naturalist's observations on the life, physical geography, and geology of the more tropical part of the state.
    By: Simpson, Charles Torrey,
    Publication info: New York,G. P. Putnam's Sons[c1920]
    Contributed by: Cornell University Library
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  4. In lower Florida wilds; a naturalist's observations on the life, physical geography, and geology of the more tropical part of the state, by Charles Torrey Simpson. With sixty-four illustrations and two maps.
    By: Simpson, Charles Torrey,
    Publication info: London :G. P. Putnam's sons,1920.
    Contributed by: University of California Libraries (archive.org)
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  5. Ornamental gardening in Florida, by Charles Torrey Simpson; a treatise on the decorative plants adapted to Florida and their cultivation, with suggestions for the ornamentation of Florida homes and grounds.
    By: Simpson, Charles Torrey,
    Publication info: Little River, Fla.,The author,1916.
    Contributed by: University of California Libraries (archive.org)
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  6. Ornamental gardening in Florida, by Charles Torrey Simpson; a treatise on the decorative plants adapted to Florida and their cultivation, with suggestions for the ornamentation of Florida homes and grounds.
    By: Simpson, Charles Torrey,
    Publication info: Little River, Fla.,The author,1916.
    Contributed by: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
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  7. Synopsis of the Naiades : or pearly fresh-water mussels / by Charles Torrey Simpson.
    By: Simpson, Charles Torrey,
    Publication info: Washington :Govt. Print. Off.,1900.
    Contributed by: MBLWHOI Library
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  1. Description of four new Triassic Unios from the Staked Plains of Texas
    By: Simpson, Charles Torrey,
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 18
    Issue: 1072
    Date: 1896
    Page Range: 381--385
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  2. A Descripttve Catalogue of the Najades or Pearly Freshwater Mussels,
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft
    Volume: 48
    Date: 1916
    Page Range: 93--95
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  3. Distribution of the land and fresh-water mollusks of the West Indian region, and their evidence with regard to past changes of land and sea
    By: Simpson, Charles Torrey,
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 17
    Issue: 1011
    Date: 1895
    Page Range: 423--450
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  4. The Florida tree snails of the genus Liguus
    By: Simpson, Charles Torrey,
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 73
    Issue: 2741
    Date: 1929
    Page Range: 1--44
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  5. Florida West Coast Liguus
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 35
    Date: 1921
    Page Range: 20--22
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  6. Genus making
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 3
    Date: 1889
    Page Range: 5--8
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  7. The mussels scars of unios
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 10
    Date: 1896
    Page Range: 29--30
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  8. New Floridian subspecies of the genus Liguus
    By: Simpson, Charles Torrey,
    Type: Article
    In: Proceedings of The Biological Society of Washington
    Volume: 33
    Date: 1920
    Page Range: 121--126
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  9. A new locality for Cerion incanum
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 18
    Date: 1905
    Page Range: 137--138
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  10. Notes on Bulimulus dormani W.G.B
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 4
    Date: 1890
    Page Range: 79--81
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  11. Notes on collecting shells in Jamaica
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 7
    Date: 1894
    Page Range: 110--113
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  12. Notes on some Indian Territory land and fresh-water shells
    By: Simpson, Charles Torrey,
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 11
    Issue: 740
    Date: 1889
    Page Range: 449--454
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  13. Notes on the classification of the unios
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 11
    Date: 1897
    Page Range: 18--23
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  14. Notes on the Parvus group of Unionidae and its allies
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 10
    Date: 1896
    Page Range: 57--59
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  15. On a singular case of imitation in Ostrea virginica
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 3
    Date: 1889
    Page Range: 26--27
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  16. On some fossil Unios and other fresh-water shells from the drift at Toronto, Canada; with a review of the distribution of the Unionidae of northeastern North America
    By: Simpson, Charles Torrey,
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 16
    Issue: 952
    Date: 1893
    Page Range: 591--595
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  17. On the classification of the Unionidae
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 15
    Date: 1901
    Page Range: 77--82
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  18. Patella (Helcioniscus) nigrisquamata Reeve
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 8
    Date: 1894
    Page Range: 91--92
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  19. A reply to Professor Wheeler
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 7
    Date: 1893
    Page Range: 22--23
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  20. A review of von Ihering’s classification of the Unionidae and Mutelidae
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 7
    Date: 1893
    Page Range: 17--21
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  21. A search for Liguus
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 35
    Date: 1922
    Page Range: 65--73
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  22. What is a species?
    By: Simpson, Charles Torrey,
    Type: Article
    In: Nautilis
    Volume: 3
    Date: 1889
    Page Range: 78--80
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