AMPHIBIA. 205 



MASTODONS AURX7S (continued)— 



pachygrnathus (Owen), L. C. Miall, Quart. Journ. Geol. Soc, vol. 



xxx, 1874, p. 418, pi. xxvi, pi. xxvii, f. 1, 2 (?4), and Rep. 



Brit. Assoc, 1874 (1875), p. 152. 

 Labyri?ithodo?i pachygnathus, R. Owen, Trans. Geol. Soc. [2] 



vol. vi, 1841 (1842), p. 526, pi. xliii, f. 4-1 1, pi. xliv, f. 1-3 



(? pi. xlvi, f. 6, 7), and Odontography, p. 205 (1841), pi. 



lxiii A, f. 4, 5, pi. lxiv B, f. 1, 2, and Palasont., ed. 2, 1861, 



p. 212 ; J. Morris, Cat. Brit. Foss., 1854, p. 350. 

 LOC. Keuper; Coton End, Cubbington, and Warwick. [Portions 



of upper jaw ; Warwick Mus.] 



MEGALERPETON, J. Young, Rep. Brit. Assoc, 1869 (1870),. 

 Sect., p. 101. 



plicidens, J. Young, ibid., p. 101 ; L. C. Miall, Rep. Brit. Assoc, 

 1874 (1875), p. 187. 

 LOC. Coal-Meas. ; Lanarkshire. [Skull with teeth ; J.Thomson 

 Coll.] T. 



simplex, J. Young, Rep. Brit. Assoc, 1869 (1870), Sect., p. 101 - r 

 L. C. Miall, Rep. Brit. Assoc, 1874 (1875), P- 188. 

 LOC. Coal-Meas. ; Lanarkshire. [Skull with teeth ; J. Thomson 

 Coll.] 



MEGALOCEPHALL'S, T. P. Barkas. v. Loxomma. 

 inacromma, T. P. Barkas. v. Loxomma allmanni. 



MESOSAURUS, T. P. Barkas, Coal Meas. Palseont., 1873, P- "6- 

 (name only). 

 taylOTi, T. P. Barkas, ibid, (name only) ; L. C. Miall, Rep. Brit. 

 Assoc, 1874 (1875), p. 1 88 (no information). 

 LOC. Coal-Meas. ; Northumberland. 



METOPIAS, H. von Meyer (non Eichwald, 1842), Neues Jahrb., 

 1842, p. 302 ; L. C. Miall, Rep. Brit. Assoc, 1874 (1875), P- 

 157, pi. v, f. 2. 

 ? diagriosticus, H. von Meyer, Neues Jahrb., 1842, p. 302, and 

 Saurier des Muschelkalkes, 1847-52, pp. 146, i67,pls. lx, lxi, 

 f. 3, lxiv, f. 10 ; L. C. Miall, Rep. Brit. Assoc, 1874 (1875), 

 p. 157. 

 LOC. Rhaetic ; Aust Cliff, near Bristol. [Fragments of skull and 

 jaws; Bristol Mus.] T. 



ZVXOXjG-E, B. Merrem, Tent. Syst. Amphib., 1820, p. 185. 



Triton, J. N. Laurenti, Syn. Rept., 1768, p. 147 (preoccupied). 



cristata (Laurenti), G. A. Boulenger, Cat. Batrachia Caudata, 



B. M., ed. 2, 1882, p. 8. 



Triton cristatus, J. N. Laurenti, Syn. Rept., 1768, p. 147 ; 



E. T. Newton, Geol. Mag. [2] vol. ix, 1882, p. 9, and Vert. 



Forest Bed (Mem. Geol. Surv., 1882), p. 119, pi. xvii, f. 9. 



LOC. Forest Bed ; West Runton. [Femur; Mus. Pi-act. Geol.] 



