ORDER VI 



CHELONIA 

 Range and Distribution of the Theromorpha. 



189 



Order 6. CHELONIA. {Testudinata.) 



Beptiles of stout and wide form of hody, encased in a more or less compleU 

 hony shell. Quadrate immovahly united to the cranial arches. Jaws toothless, but 

 covered with horny sheaths ; premaxillae very small, jpalate completely closed by jiinction 



^ Literature : 



Banr, G., Osteologische Notizen über Keptilien (Zool. Anz. vol. IX, No. 238), 1886. — Ibid. 

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

 fossil Tortoises (Proc. Acad. Nat. Sei. Philadelphia, p. 411), 1891. — ^Bemerkungen über die Phylo- 

 genie der Schildkröten (Anat. Anz. vol. XII. p. 561), ]896. — Bovlenger, G. A., Catalogue of 

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

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

 Eocene (Amer. Nat. vol. XVI. p. 979), l%%2.—IUd. vol. XXX. p. 398, \%^Q.—Dames, ir., Die 

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

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

 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. Würtb.), 1899. — Gray, J. E., Notes on the families and genera of 

 Tortoises (Pi'oc. Zool. Soc. vol. XII. p. 165), 1869. — Hoffmann, G. K., Chelouia, in Bronn's Classeu 

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

 (Palaeont. Indica, ser. X. vol. IIL), 1886. — Catalogue of the fossil Reptilia and Amphibia in the 

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

 kröten, etc. (Palaeontogr. vol. XVIIL), 1869. — Meyer, H. von. Zur Fauna der Vorwelt, Parts I. and 

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

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

 ibid. 1852-53. — Pictet, F. J., and Humbert, A., Monographie des Cheloniens de la Molasse Suisse. 

 Geneva, 1856, — Portis, A., Ueber fossile Schildkröten aus dem Kimmeridge von Hauover (Palaeontogr. 

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

 1882. — Reinach, A. v., Schildkrötenreste im Mainzer Tertiärbecken, etc. (Abhandl. Senckenb. 

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

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

 Schale und Schädel bei lebenden und fossilen Schildkröten (Verhandl. naturf. Gesellsch. Basel, vol. 

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

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

 Akad, Wissensch. IL Classe, vol, VII. p, 291), 1853 ; and ibid. vol, IX, (1861), p, 68.— Wiehmd, 

 G. R., On Archeion ischyros, Protostega, etc. (Amer. Journ, Sei, [4], vol, IL p. 399), 1896 ; and 

 ibid. vol. V, (1898), p. 15.— Williston, S. W., A new turtle froni the Kansas Cretaeeous (lYans, 

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



