276 



XIPHACTJNUS, Leidy. 



Xiphactinus audax, Leidy. 



Proceedings of the Academy of Philadelphia, 1870, 12 ; Report on tbo Geological Survey of 

 the Territories, 1873, I, p. 290, Plate XVII, figs. 9-10. 



Niobrara epoch of Kansas. 



PACHYRHIZODUS, Agassiz. 



Dixon's Geology of Sussex, 1850, p. 374; Cope, Proceedings of the American Philosophical Society, 1872, 



p. 344. 



Paciiyrhizodus caninus, Cope. Plate L, figs. 1-4. 



L. c, 344. 



Niobrara epoch of the Smoky Hill River. 

 Pachyrhizodus kingii, Cope. Plate XLVI, fig. 11. 



L. c, 346. 



Niobrara epoch of the Smoky Hill River. 

 Pachyrhizodus latimentum, Cope. Plates L, fig. 5 ; LI, figs. 1-7. 



L. c, 34fi. 



Niobrara epoch of the Smoky Hill, and of Phillips County, Kansas. 

 Pachyrhizodus sheareri, Cope. 



Proceedings of the American Philosophical Society, 1872, p. 347. 



Niobrara epoch of the Smoky Hill River. 

 Pachyrhizodus leptopsis, Cope. Plate LI, fig. S. 



Haydou's Bulletin of the United States Geological Survey of the Territories, No. 2, 1874, p. 42. 



Niobrara epoch of Kansas. 



CONOSAURUS, Gibbes. 



Smithsoniau Contributions, 1851, vol. II, p. 10. — Conosaurops, Leidy, Proceedings of the Academy of Phil- 

 adelphia. I868,i>. 202. 



Coxosaurus bowmanii, Gibbes, Leidy, /. c. 



Greenland, No. ?, Burlington County, New Jcrsey_ 



