273 



PERCESOCES. 



SYLL.liMUS, Cope. 



R.,.o..t on ,h. ris).cs coUeotea ,,y ...c rnit.l S.ates Goo^.^.^ai and Oco,..«i.. «u.v..y ..f ,...■ One 



HuiuUcdtli Meridian, lS<i). Mbb. 



Syll^emus latifrons, Cope. 



X. c. SMjira, p. 180. 



Cretaceous No. 3 or 4, of Colorado. 



PELECORAPIS, Cope. 



Haydon's Bulletin of the United States Geolosica: 8nrvoy of the Territories, 1.71, No. 2, ,,. ■.:'X 



Pelecorapis varius, Cope, /. c 



IJciiton group, near Sibley, Kansas. 



ACTINOCHIIU. 

 PELECOPTERUS, Cope. 



Supra, p. 244 A. 

 PELECOPTERUS PERNICIOSUS, Copc, Plate XLVIII, fig. 2 ; LII, fig. 2. 



MZjolI^sperniclosus, Cope, Bulletin of the United States Geological Survey of ,l,e Ter- 

 ritories, No. 2, 1874, p. 41; ditto, i,.fra. p. 27.5 {hwu mlam,)- 



Xiubrara beds of the Solomon. 

 PELECOPTERUS CHIRURGUS, Copc. Plate XLYIII, fig. 1 ; LIV, fig. 8. 

 Supra, p. 244 E. 



Niobrara beds of the Solomon. 

 PELECOPTERUS GLADIUS, Cope. Plate LII, fig. 3 ; XLIV, fig. 12. 



t!rtheus%ius, Cope, Bulletin of tbe United States Geologieal Survey, No 2 1874, p. 4(1; 

 Proceedings of the Academy of Pbiladelpbia, 187-.!, p. 'm; u,fra, p. 2,4 Vapsu <ala.u,). 



Niobrara beds of the Smoky Hill and Solomon Rivers. 



ISOSPONDYLI. 



PORTIIEUS, Cope. 



Proceedings of tbe American Pbilosopbical Society, 1^71, p. 17:!; I. c, 1872, p. n:!:i. 



PORTHEUS MOLOSSUS, CopC. 



Proceedings of the American Philosophical Society, 1B71, p. 17:5; 1H72, p. 3:W. 



Common in the Niobrara Cretaceous of the Smoky TTIU region, Kansas. 



PoRTHEUS TIIAUMAS, Cope. ,.,... ,«-„ 



SauroccphaJns thaumas, Cope, Proceedinss of tbe An.ricau n.ib.soplM.al ,Vo, ,..,y, InO, 

 November ; I. c, 1872, p. :!:!■'>. 



Same locality as Uie hist. 



