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  1. Additional notes on the amphisbaenids of greater Puerto Rico
    By: Thomas, R
    Type: Article
    In: Breviora
    Volume: 249
    Date: 1966
    Page Range: 1--23
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  2. Cayman Islands Tropidophis (Reptilia, Serpentes)
    By: Thomas, R
    Type: Article
    In: Breviora
    Volume: 195
    Date: 1963
    Page Range: 1--8
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  3. The genus Darlingtonia (Serpentes) in Hispaniola, including a new subspecies from the Dominican Republic
    By: Schwartz, A - Thomas, R
    Type: Article
    In: Breviora
    Volume: 229
    Date: 1965
    Page Range: 1--10
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  4. The genus Leptotyphlops in the West Indies with description of a new species from Hispaniola (Serpentes, Leptotyphlopidae)
    By: Thomas, R
    Type: Article
    In: Breviora
    Volume: 222
    Date: 1965
    Page Range: 1--12
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  5. Intra- and interspecific chromosome variation in the lizard Anolis cristatellus and its closest relatives
    By: Gorman, G C - Thomas, R - Atkins, L
    Type: Article
    In: Breviora
    Volume: 293
    Date: 1968
    Page Range: 1--13
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  6. Leeward Islands Typhlops (Reptilia, Serpentes)
    By: Thomas, R
    Type: Article
    In: Proc. Biol. Soc. Washington
    Volume: 79
    Date: 1966
    Page Range: 255--265
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  7. The Monticola group of the lizard genus Anolis in Hispaniola
    By: Thomas, R - Schwartz, A
    Type: Article
    In: Breviora
    Volume: 261
    Date: 1967
    Page Range: 1--27
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  8. A new anole (Sauria, Iguanidae) from Puerto Rico
    By: Williams, E E - Rivero, J A - Thomas, R
    Type: Article
    In: Breviora
    Volume: 231
    Date: 1965
    Page Range: 1--18
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  9. A new dwarf Sphaerodactylus from Haiti (Lacertilia: Gekkonidae)
    By: Thomas, R
    Type: Article
    In: Proc. Biol. Soc. Washington
    Volume: 95
    Date: 1982
    Page Range: 81--88
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  10. A new Hispaniolan gecko
    By: Thomas, R
    Type: Article
    In: Breviora
    Volume: 253
    Date: 1966
    Page Range: 1--5
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  11. A new species of Typhlops (Serpentes: Typhlopidae) from Hispaniola
    By: Thomas, R
    Type: Article
    In: Proc. Biol. Soc. Washington
    Volume: 87
    Date: 1974
    Page Range: 11--18
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  12. A review of Anolis angusticeps in the West Indies
    By: Schwartz, A - Thomas, R
    Type: Article
    In: Quarterly Journal of The Florida Academy of Sciences
    Volume: 31
    Date: 1969
    Page Range: 51--69
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  13. The Sphaerodactylus decoratus complex in the West Indies
    By: Thomas, R - Schwartz., A
    Type: Article
    In: Brigham Young University Science Bulletin
    Volume: 7
    Date: 1966
    Page Range: 1--26
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  14. Subspeciation in Sphaerodactylus copei
    By: Schwartz, A - Thomas, R
    Type: Article
    In: Quarterly Journal of The Florida Academy of Sciences
    Volume: 27
    Date: 1965
    Page Range: 316--332
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  15. Three new species of thread snakes (Serpentes: Leptotyphlopidae) from Hispaniola
    By: Thomas, R - R. W. Mcdiarmid - Thompson., F G
    Type: Article
    In: Proc. Biol. Soc. Washington
    Volume: 98
    Date: 1985
    Page Range: 204--220
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