SAURIA. 117 



Mosasaurus. De Kay: An. Lye. Nat. Hist. N. York, 1828-36, III, 135, PI. Ill, Figs. 



1, 2. Morton: Am. Jour. Se. 1830, XVIII, 246; Syn. Org. Rem. Cret. Group, 1834, 



2T, PI. XI, Figs, t, 9. Harlan: Trans. Geol. Soc. 1835, 81 ; Med. Phys. Res. 1835, 



285. Emmons: N. Car. Geol. Surv. 1858, 21T, Figs. 36a, 3Y. 

 Geosaurus Mitchelli. De Kat : An. Lye. Nat. Hist. N. York, 1828-36, III, 138, PI. Ill, 



Figs. 3, 4 ; Nat. Hist. New York, Zool. 1842, III, 28, PI. XXII, Figs. 55, 56. Harlan : 



Trans. Geol. Soc. 1835, 82; Med. Phys. Res. 1835, 285; Edin. Phil. Jour. 1834, 



XVIII, 32. 

 Geosaurus. Morton: Am. Jour. Sci. 1830, XVIII, 242; Syn. Org. Rem. Cret. Group, 



1834, 28, PI. 11, Fig. 10. 

 Mosasaurus De Kayi. Bronn : Lethtea Geognostiea, 1838, II, T60 ; Third Edit. 1851, 2, 



406. 

 Mosasaurus major. De Kay : Nat. Hist. New York, Zool. 1842, III, 28, PI. XXII, 



Fig3. 5T, 58. 

 Mosasaurus occidentalis. Morton : Proe. Acad. Nat. Sci. Phil. 1844, 133. 

 Mosasaurus Gamperi s. Eoffmani. In part, of Pictet : Paleont. 1845, II, 64. 

 Atlantochelys Mortoni. Agassiz : Proe. Ac. Nat. Sci. Phil. 1849, 169. 

 Mosasaurus Maximiliani. Owen : Jour. Geol. Soc. Lond. 1849, V, 382, PI. X, Fig. 5. 



Pictet: in part, Paleont. 1853, I, 505. Emmons: N. Car. Geol. Surv. 1858, 218, Figs. 



36 A, 3Y. 

 Mosasaurus Garolinensis. Gibbes: Mem. on Mosas., Smiths. Contrib. 1851, II, PI. II, 



Figs. 1-3. 

 Mosasaurus Gouperi. Gibbes : Ibidem t, PI. II, Figs. 4, 5. 

 Mosasaurus Mitchelli. In part, of Bronn: Leth. Geog., Third Ed., 1851-2, II, 406. 



Leidy: Proe. Ac. Nat. Sc. Phil. 1859, 90. 

 EUiptonodon compressus. Emmons: N. Car. Geol. Surv. 1858, 224, Figs. 45, 46. 

 Drepanodon iv\par. Leidy: Pr. Ac. Nat. Sc. Phil. 1856, 255. 

 Lesticodus impar. Leidy: Pr. Am. Phil. Soc. 1859, VII, 10. 

 Pages 35-31, Vertebra;, Nos. 1-14, 1-3. PI. VII, Figs. 1-8, 8-14. 



Pages 39, 40, Fragments of the skull and jaw. PI. VIII, Fig. 11 ; PI. XI, Fig. 13 ; PL XIX, Fig. 6. 

 Page 43, Fragment of a humerus. PI. VIII, Figs. 3-5. 



Pages 52-Yl, Teeth, with fragments of jaws, Nos. 1-29, 31, 32. PL IX, Figs. 1-11 ; PL X, Figs. 

 1-13, 16; PL XI, Figs. 1-13, 15. 



11. Mosasaurus Missouriensis. 



IcMhyosaurus missouriensis. Harlan: Trans. Am. Phil. Soc. 1834, IV, 405, PL XX, 



Figs. 3-8 ; Trans. Geol. Soc. 1835, 80 ; Med. and Phys. Res. 1835, 284, 348, Figs. 1-6. 

 Batrachiosaurus. Harlan : Lon. and Ed. Phil. Mag. 1889, XIX, 302. 

 Batrachiolherium. Harlan : Bui. Soc. Geol. 1889, X, 90. 

 Batrachiosaurus missouriensis. Meyer: Jahrb. Min. 1845, 312. 

 Mosasaurus neovidii. Goldfcss : Deutsch. Naturf. Vers. Mainz, 1848, I, 141 ; Jahrb. 



Min. 1845, 312. 

 Mosasaurus Maximiliani. Goldfuss : Nov. Acta Acad. K. L. C. Nat. Cur. 1845, XXI, 



119, Pis. VI, VI], VIII, IX, Figs. 1-3 ; Jahrb. Min. 1845, 312. In part, of Pictet : 



Paleon. 1853 I, 505. 

 Mosasaurus Mitchelli. In part, of Bronn : Leth, Geog., Third Ed., 1851-2, II, 406. 

 Mosasaurus missouriensis. Leidy : Proe. Ac. Nat. Sc. Phil. 1851, 90 ; 1859, 92. 

 Pages 31, 38, Vertebra;, Nos. 1-5. PL VII, Figs. 15-18. 



Page 44, 45, Bones oi the extremities. PL VIII, Figs. 6, 8 ; PL XVII, Figs. 12, 13. 

 Page 12, Teeth, No. 34. PL X, Figs. 18, 19. 



