54 ~ Reptilia. 



Opisthiodon, Peters in Berliu. Acad. Monatsb. 460. 1861. . . OPHIDIA. 

 Opisthodon, Steiudachner in Norara-Exp. Rept. 9. 1867. BATRACHIA. 

 Opisthodelphys, Giiuther in Brit. Mus. Cat. Batr. sal. 1858. BATRACHIA. 

 Oplosaurus, Gervais in Paris Ac. Compt. rend. XXXVI. 1853. SAURIA. Foss. 

 Oreodeira, Girard iu Philad. Ac. Nat. Sc. Proc. 197. 1857. . . SAURIA. 



Oriocalotes, Giiuther in Rept. of Br. India. 125. 1864 SAURIA. 



Oriotiaris, Gunther in Rept. of Br. India 125. 1864 SAURIA. 



Ortholaemns, Girard iu Philad. Ac Nat. Sc. Proc. 1857. . . . SAURIA. 

 Osceola, Baird et Girard in Cat. Smithsou. Museum. 1853, . . OPHIDIA. 

 Osteolaemus, Cope in Philad. Ac. N. S. Proc. 549. 1860. . . . SAURIA. 

 Osteophorus, H. v. Meyer in Leonh. u. Bronn. Jahrb. 824. 1856. 



LABIRYNTHODONTA. Foss. 



Otaspis, Cope in Philad. Proc. 1868 BATRACHIA. 



Otolepis, Strauch in Petrop. Acad. Bull. X. 475. 1866 SAURIA. 



Otozoum, Hitchcock iu Sillimau Amer. Jouru. IV. b. 46 — 57. 1849. 



BATRACHIA. Vestigia foss. 

 Oudenodon, R. Owen in Edinb. New. Philos. Journ. X. 1859. 



SAURIA. Foss. 

 Oxycalamus, Guuther iu Rept. of Br. ludia 199. 1864. . . . OPHIDIA. 

 Oxyrhina, Jau iu Archiyio per la Zool. IL 1. 1862 OPHIDIA. 



IPachybatrachus, Keferstein in Wiegm. Arch. 2"73. 1868. BATRACHIA. 

 Pachybatrachus, Mivart in Lond. Zool. Sc Proc 557. 1868. BATRACHIA. 

 Pachycercus, (Dujes et Bibrou) A. Dumeril in Rev. de Zool. 1854. SAURIA. 

 Pachyrhynchus, Barboza du Bocage iu Aun. N. H. XX. 1867. SAURIA. 

 Pachyspondylus, R. Owen in Ed. newPhil. Jouru. X. 1859. SAURIA. Foss. 

 Palaeochelys, Herm. v. Meyer in Leouhard u. Broun. Jahrb. 1847. 455. 



CHELONIA. Foss. 

 Palaeocincus, J. Leidy in Phil. Ac N. S. Proc VIII. 72. 1856. SAURIA. Foss. 

 Palaeosiren, Geinitz in G. Leonh. u. Geinitz. Jahrb. 513. 1864. 



BATRACHIA. Fo-^^s. 



Palinia, Gray in Annals N. H. X. 265. 1862 SAURIA. 



Paludicola, Cope in Nat. Hist. Review. 1865 BATRACHIA. 



Panaspis, Cope in Philad. Ac Proc 317. 1868 SAURIA. 



Panolopus, Cope iu Philad. Ac Nat. Sc Proc 494. 1861. . . . SAURIA. 

 Parabatrachus, R. Owen in Lond. Geol. Sc Quart. Journ. IX. 67. 1853. 



BATRACHIA. Foss. 

 Parachelys, H. v. Meyer in G. Leonh. u. Geiuitz. Jahrb. 1864. 207. 



CHELONIA. Foss. 



Parias, Gray in Catal. Viper. Snak. 1849 OPHIDIA. 



Pariaspis, Cope in Phil. Ac Nat. Sc Proc 214 et 553. 1860. . OPHIDIA. 



PelOChelys, Gray in Proc Zool. Soc 1864 CHELONIA. 



Pelophila, Dumeril in Inst. de Fr. Mem. XXIH. 399. 1853. . OPHIDIA. 

 Pelorosaurus, C. Mantell in Aun. N. H. 1850. VL 128. 1850. 



SAURLA.. Foss. 

 Peltaphrjme, (Poey) Cope in Phil. Ac N. Sc Proc 344. 1862. BATRACHIA. 



Peltopelor, Giiuther in Rept. of Br. India. 389. 1864 OPHIDIA. 



Perialia, Gray Exp. into Central Austr. by E. J. Eyre I. BATRACHIA. 

 Perodactylus, Reiuh. et Lutkeu in Vid. Med. nat. Eor. 1861. . SALTIIA. 



Perosuchus, Cope jn Philad. Proc 1868. 203. . a SAURIA. 



Pethalognathus, Dumeril iu Inst. de Fr. Mem. XXIII. 399. 1853. OPHIDIA. 



Pharyngodon, Cope in Philad. Proc 1865 BATRACHIA. 



Philothamnus, A. Smith in Illustr. Zool. South-Africa. 1849. OPHIDIA. 



