GASTEROPODS. 149 



not interrupted by transverse elevations or nodes, and the fine 

 lines are very uniform in size. 



Horizon and localities. Upper Carboniferous, Upper Coal 

 Measures: Kansas City. 



Bellerophon meekianus SWALLOW. 



Bellerophon meekianus Swallow, 1858: Trans. St. Louis Acad. Sci., vol. 1, 

 p. 204. 



Shell rather small, broadly rounded on the dorsum, with 

 a well- denned angularity toward the aperture ; the latter trans- 

 versely reniform ; outer lip thin medially, much thickened 

 toward the umbilical axis on either side, and more or less re- 

 flected. Surface marked by numerous crowded filiform lines; 

 those running longitudinally the more prominent. 



Horizon and localities. Upper Carboniferous, Lower Coal 

 Measures : Lexington, and in Howard county. 



Bellerophon urii FLEMING. 



Plate 1, figs. 5a-c. 



Bellerophon urii Fleming, 1828: Brit. Anim., p. 338. 

 Bellerophon urii de Kon'nck, 1844 : Descriptions des Animaux Fossiles 



(de Belgique),p. 356, pi. xxx, fig. 4. 

 Bellerophon urii Norwood & Pratten, 1854: Jour. Acad. Nat. Sci., Phila., 



vol. Ill, p. 75, pi. ix,fig. 6. 



Bellerophon carbonarius Cox, 1857: Geol. Sur. Kentucky, vol. Ill, p. 562. 

 Bellerophon blaneyanus McChesney, 1860 : New Pal ae. FOBS., p. 60. 

 Bellerophon carbonarius Geinitz, 1866: Garb, und Dyas in Nebraska, p. 6, 



tab. i, fig. 8. 

 Bellerophon carbonarius Meek, 1872: U. S. Geol. Sur. Nebraska, p. 224, 



pi. iv, fig. 16; and pi. xi, figs, lla-c. 

 Bellerophon carbonarius, var. subpapillosus White, 1876: Geol. Uinta M.ts., 



p. 92. 

 Bellerophon subpapillosus White, 1879: Bui. U. S. Geol. Sur. Terr., vol., 



V, p. 218. 

 Bellerophon subpapillosus White, 1883: U. S. Geol. Sur. Terr., 12th Ann. 



Rep., p. 38, pi. xxxiv, fig. 3a. 

 Bellerophon carbonarius White, 1884: Geol. and Nat. Hist. Sur. Indiana, 



13th Ann. Rep., p. 158, pi. xxxiii, figs. 6, 7, 8. 

 Belleiophon urii Keyes, 1888 : Proc. Acad. Nat. Sci., Phila., p. 236. 

 Bellerophon urii Keyes, 1891: Proc. Acad. Nat. Sci., Phila., p. 255. 

 Bellerophon urii Keyes, 1891: Johns Hopkins Univ. Circulars, vol. XI, 



p. 29. 



