ORDER VI 



CHELONIA 



189 



Range and Distribution of the Theromorpha. 



Order 6. CHBLONIA. (Testudinata.) 1 



Reptiles of stout and wide form of body, encased in a more or less complete 

 bony shell. Quadrate immovably united to the cranial arches. Jaws toothless, I ml 

 covered with horny sheaths ; premaxillae very small, palate completely closed by junction 



1 Literature : 



/.'"///-, G., Osteologische Notizen iiber Reptilien (Zool. Ariz. vol. IX. No. 238), 1886. — Ibid. 

 vol. XI. (1888), pp. 417, 592 ; and vol. XII. (1889), p. 40. — Notes on some little known American 

 fossil Tortoises (Proc. Acad. Nat. Sci. Philadelphia, p. 411), 1891. — Bemerkungen iiber die Phylo- 

 genie der Schildkroten (Anat. Anz. vol. XII. p. 561), 1896. — Boulenger, G. A., Catalogue of 

 Chelonians in the British Museum. London, 1889. — Case, E. C., On the osteology and relationships 

 of Protostega (Journ. Morph. vol. XIV. No. 1), 1897. — Cope, E. D., The Reptiles of the American 

 Eocene (Amer. Nat. vol. XVI. p. 979), 1882.— Ibid, vol. XXX. p. 398, 1896.— Dam's, II".. Die 

 Chelonier der norddeutschen Tertiarformation (Palaeont. Abhandl. Dames und Kayser, vol. VI. . 

 1894. — Dollo, L., Note sur les Cheloniens de Bernissart (Bull. Mus. Roy. d'Hist. Nat. Belg. vol. J II. 

 p. 63), 1884 ; ibid. vol. IV. (1886), pp. 69, 129 ; and ibid. vol. V. (1888), p. 59.— On the humerus 

 of Euclastes (Geol. Mag. [3], vol. V. No. 6), 1888. — Fraas, E., Proganochelys Quenstedtii Baur 

 (Jahresh. Vereins Naturk. Wiirtb. ), 1899. — Gray, J. E., Notes on the families ami genera of 

 Tortoises (Proc. Zool. Soc. vol. XII. p. 165), 1869. — Hoffmann, C. K., Chelonia, in Bronn's Classen 

 und Ordnungen des Thierreichs, vol. VI. 1879. — Lydekker, R., Siwalik ami Narbada Chelonia 

 (Palaeont. Indica, ser. X. vol. III.), 1886. — Catalogue of the fossil Reptilia ami Amphibia in tin- 

 British Museum, Part III. London, 1889. — Maack, G. A., Die his jetzt bekannten fossilen Schild- 

 kroten, etc. (Palaeontogr. vol. XVIII.), 1869. — Meyer, H. von, Zur Fauna der Vorwelt, Parts 1. and 

 IV. Frankfort, 1845-60. — Owen, li., and Bell, R., Monograph of the fossil Reptilia of the London 

 Clay. Part I. (Palaeont. Soc), 1851. — Owen, R., Monograph of the fossil Chelonian Reptilia, etc., 

 ibid. 185:2-53. — Pictet, F. J., and Humbert, A.. Monographic des Cheloniens de la Molasse Suisse. 

 ( S-eneva, 1856. — Portis, A., Ueber fossile Schildkroten aus dem Kimmeridge von Hanover (Palaeontogr. 

 vol. XXV.), 1878. — Les Cheloniens de la Molasse Vaudoise (Mem. Soc. Palaeont. Suisse, vol. IX. i, 

 1882. — Reinach, A. v., Schildkrotenreste im Mainzer Tertiarhecken, etc. (Abhandl. Senckenb. 

 naturf. Ges. vol. XXVIII. ), 1900. — Riitimeyer, L., Die fossilen Schildkroten von Soluthurn (Denkschr. 

 Schweiz. naturf. Gesellsch. vol. XXII.), 1867: and ibid. vol. XXV. (1873). — Ueber den Ban von 

 Schale und Schadel bei lebenden und fossilen Schildkroten (Verhandl. naturf. Gesellsch. Basel, vol. 

 III. p. 255), 1872. — Sacco, F., Cheloni Astiani del Piemonte (Mem. Acad. Torino, vol. XX XIX. . 

 1889. — Wagner, J. A., Schildkroten und Saurier aus den lithographischen Schiefer (Abhandl. bayer. 

 Akad. Wissensch. II. Classe, vol. VII. p. 291), 1853 ; and ibid. vol. IX. (1861), p. §8.— Wielan<l, 

 G. R., On Archelon ischyros, Protostega, etc. (Amer. Journ. Sci. [4], vol. II. p. 399), 1896 ; and 

 ibid. vol. V. (1898), p. 15. — Williston, S. W., A new turtle from the Kansas Cretaceous (Trans. 

 Kans. Acad. Sci. vol. XVII. p. 195), 1901. 



