252 BRITISH FOSSIL VERTEBRATA. 



JZOROSAURUS brevis {continued)— 



1 Vertebra of unknown Saurian,' G. A. Mantell, Phil. Trans., 



1 84 1, p. 149, pl- ix, f- 7- 

 ' Tympanic bone of Iguanodon] G. A. Mantell, Geol. S. E. 



England, 1833, P- 3°5i pl- n > f • 5 5 R- Owen, Rep. Brit. 



Assoc, 1 84 1 (1842), p. 124, and Rept. Weald, and Purb. 



Form., pt. ii (Pal. Soc, 1855), p. 18, pl. x. 

 LOC. Wealden ; Brook, I. of Wight ; Cuckfield and Hastings, 



Sussex. [Four associated caudal vertebras ; Brit. Mus.] 



MOSASAURUS, W. D. Conybeare, in Cuvier, Ossein. Foss., 



ed. 2, 1824, vol. v, pt. ii, p. 338. 

 anceps (Owen), A. S. Woodward, v. Leiodon anceps. 

 gracilis, Owen. v. Mosasaurus sp. ; and Pachyrhizodus gracilis. 



[PlSCES.l 



hoffnianni, Mantell. v. Mosasaurus sp. 



stenotlon, Charlesworth. v. Leiodon anceps and Mosasaurus? sp. 

 ? sp. : Mosasaurus ]wff»iannii, G. A. Mantell, Trans. Geol. Soc. [2] 



vol. iii (1829), p. 207, and Medals of Creation, vol. ii, 1854, 



p. 708, woodcut 229 (M. hoffnianni, or M. gracilis). 

 ' Fossil Monitor of Maastricht,' G. A. Mantell, Foss. S. Downs, 



1822, p. 242, pl. xxxiii, f. 13, pl. xli, f. 3. [Named Mosasaurus 



stenodon by G. A. Mantell, Petrifactions, 1851, pp. 197, 198, 



woodcut 44.] 

 Mosasaurus gracilis, R. Owen {pars), in F. Dixon, Geol. Sussex, 



1850, p. 383, pl. xxx vii, f. 2-5, pl. xxxix, f. 7-9, and Rept. Cret. 



Form. (Pal. Soc, 185 1), p. 40, pl. viii, f. 1-3, pl. ix, f. 2-5. 

 Genus non del., R. Lydekker, Cat. Foss. Rept. B. M., pt. i, 1888, 



P- 273- 

 LOC. Chalk ; Essex, Kent, and Sussex. [Teeth and vertebras ; 



Brit. Mus.] 



MCn.ljyOSA lliUS, Seeley. v. Cimoliosaurus. 



brachffspontlylus (Phillips), Sauvage. v. Cimoliosaurus tro- 



chanterius. 

 leerfsi, Seeley. v. Cimoliosaurus plicatus. 

 ma 11 sell 1'Hulke), Sauvage. v. Cimoliosaurus trochanteric. 



MYSTHIOSAl lil'S, Kaup. v. Steneosaurus. 



bollensis, D'Alton and Burmeister. v. Steneosaurus bollensis. 

 brevior (Owen), A. S. Woodward, v. Steneosaurus brevior. 

 brongniarti, Kaup. v. Pelagosaurus brongniarti. 

 chapman i (Koenig), A. S. Woodward, v. Steneosaurus chapmani. 

 stuhelyi, Winkler, v. Steneosaurus bollensis and S. chapmani. 



NANNOSVCHUS, R. Owen, Rept. Weald, and Purb. Form., 



Suppl. ix (Pal. Soc, 1879), p. 6. 



gracilidens, R. Owen, ibid., p. 6, pl. ii, f. 1-10, pl. iii, f. I, 2 ; 



R. Lydekker, Cat. Foss. Rept. B. M., pt. i, 1889, p. 84. 



LOC. M. Purbeck ; Durdlestone Bay. [Skull and other parts of 



skeleton ; Brit. Mus.] T. 



