274 



PORTHEUS LESTRIO, Cope. Plates XLII, figs. 1-3 ; XLVII, figs. 1-5. 

 Proceedings of the Academy of Natural Sciences, Philadelphia) 1873, p. 337. 



Niobrara Cretaceous of Kansas, near the Solomon River; abundant. 



PORTHEUS MUDGEI, Cope. 



Hayden's Bulletin of the United States Geological Survey of the Territories, No. 2, 1874, p. 40. 



Niobrara group of Kansas. 



PORTHEUS ARCUATUS, Cope. Plate XLVIT, fig. 7-0. 

 Supra, p. 204. 



Niobrara group of Kansas. 



PORTHEUS GLAD1US, Cope. Plate LII, fig. 3. 



Proceedings of the Academy of Natural Sciences, Philadelphia, 1873, 338. 



Represented by a huge pectoral spine, which may belong to one of the 

 preceding species. 



Niobrara Cretaceous of the Solomon River, Kansas. 



ICHTHYODECTES, Cope. 



Proceedings of the American Philosophical Society, 1870, November ; 1. c, 1872, p. 338. 



Iciitiiyodectes anaides, Cope. Plates XLIV, figs. 11, 1". ; XLV, figs. 1-8. 

 X. c, 1872, 339. 



Niobrara Cretaceous of the Smoky Hill. 

 Iciitiiyodectes ctenodon, Cope. Plate XLVJ, figs. 1-4. 



X. c, 1870, November; I c, 1872, 340. 



Niobrara Cretaceous of the Smoky Hill. 

 Iciitiiyodectes hamatus, Cope. Plate XLVI, fig. 5. 



X. c, 1872, 340. 



Niobrara Cretaceous of the Smoky Hill. 

 Iciitiiyodectes prognathus, Cope. Plate XLVI, figs. G-10. 



X. c, 1S72, 341. — Sauroce2>haJus prognathus, Proceedings of the American Philosophical Society, 

 1870, November. 



Cretaceous (Niobrara) of the Smoky Hill. 



