448 PEOCEEDINGS OP UNITED STATES NATIONAL MUSEUM. 



* Shell more tlian twice as long as liigb ; head rounded in front ; margin 

 of jaws straight; fore-legs broadest at the extremity. 



Anterior i)art of the plastron bent npward. Distance from base of 

 1st claw to base of 4th claw, hind foot, equal to distance from 



base of 1st claw to base of 3d claw, fore foot X. polyphemiis-. 



Plastron level in the antero posterior direction. Distance from 



base of 1st claw to base of 4th claw, hind foot, equal to distance 



from base of 1st claw to base of 4th claw, fore foot. .X. A(/assizii. 



** Shell less than twice as long as high; head wedge-shaped in front; 



margin of jaws curved; foredegs broadest at the knee. .X. Berlandieri. 



BIBLIOGRAPHY. 



1734-1765. Seba, Albert. Locupletissimi rerum naturalium tLesauri acciirata de- 

 scriptio et icouibus artiliciosissimus espressio, per universam physices his- 

 torian!. Amsterdam, 1734-1765, I, pL 80, fig. 1. (Testudo terrestris major 

 americana.) 



1791. Bartram, William. Travels through North and South Carolina, Georgia, 

 East and West Florida. Philadelphia,. 1791 (London, 1794), pp. 182, 183. 8°. 

 (Gopher.) 



1803. Daudin, F. M. Histoire Naturelle des Reptiles, II, 1803 (An X), pp. 256-259. 

 Paris. 8°. (Testudo polyphemus.) 



1803. Bosc. Nouvelle Dictiounaire d'Histoire Naturelle, XXII, 1803, p. 256. Paris. 

 8°. (Testudo polyi^hemus.) 



1812. SCHWEiGGEK, A. F. Pvodromus MonographiiB Chelouiorum. Kouigberger 

 Archiv, I, 1812, pp. 317 and 442. (Emys iiolyphemus.) 



1821. Forbes, J. G. Sketches, historical and topographical, of the Floridas ; par- 

 ticularly of East Florida, 1821, p. 172. 8°. New York. (Gouffre.) 



1825. Say, Thos. Journal Acad. Nat. Sci. Philadelphia, IV, pt. ii, 1825, pp. 207-208. 

 (Testudo polyphemus. ) 



1829. Harlan, R. Journal Acad. Nat. Sci. Philadelphia, VI, pt i, 1S29, pp. 21-22. 



(Testudo polyphemus.) 



1830. Bonaparte, C. L. Osservazioni sulla Seconda Edizioue del Regno Animale del 



Barone Cuvier, 1830, p. 1.52. Bologna, 8°. (Testudo polyphemus.) 



1831. Gray, J. E. Synopsis Reptilium, pt. i, 1831, p. 11. London. 8^. (Testudo 



polyphemus.) 



1835. DuMERiL, A. M. C. & Bibron, G. Erpetologie G6n»Srale, II, 1835, pp. 102-108. 



(Testudo polyphemus.) 

 1828-1836. Le Conte, John. Annals Lyceum Nat. Hist., New York, III, 1828-1836, 

 pp. 97-100. (Testudo Carolina.) 



1836. HoLBROOK, J. E. North American Herpetology, Ist ed., I, 1836, pp. 41-46, pi. 



I. Philadelphia. 4°. (Testudo polyphemus. ) 



1842. , . 2d edition, I, 1842, pp. 25-30, pi. i. Philadelphia. 4°. 



1844. Gray, J. E. Catalogue of Tortoises, Crocodiles, and Ami^hisbeans in the col- 

 lection of the British Museum, 1844, pp. 4, 5. London. 12°. (Gopher or 

 Mungofa. ) 



1850. Chateaubriand, Le Vicomte de. Voyage en Am6rique. Edition of 1850, pp. 



336,337. Paris. 12°. [Also in earlier editions.] 



1851. DUMERIL, M. C. & M. A. Museum d'Hist. Nat. de Paris. Catalogue M6th- 



odique de la Collection des Reptiles, 1851, p. 5. Paris. 8°. (Tortue poly- 

 pheme.) 

 1855. Gray, J. E. Catalogue of Shield Reptiles in the Collection of the British Mu- 

 seum, Part I, 1855, p. 5. London. 4°. (Testudo gopher.) 



