26 

 PAL^OSCmCUS, Leidy. 



Proceedings Academy, Philadelphia, 1856, p. 72. 



Pal^oscincus costatus, Leidy, 1. c. 

 Bad lands of Judith Eiver, Montana. 

 Founded on dental characters only. 



TEOODON, Leidy. 



Loc. cit., 1856, p. 72. Transac. Amer. Philos. Society, 1860, 147. 

 Troodon formosus, Leidy, 1. c. 



Bad lands of Judith Eiver, Montana. 



Founded on teeth only. 



AUBLYSODON, Leidy. 



Proceed. Acad. Natural Science, Philadelphia, 1368, p. 198. Dinodon Leidy, 1. c, 1864, 

 72, not of Dumeril. 



AuBLYSODON HOREiDUS, Cope. Extiuct Batrachia, etc., N. America, p* 

 120. Dinodo7i horridus. Leidy, Proceed. Academy, Philadelphia, 1856, 

 72. Transac. Amer. Philosophical Soc, 1860, 140. Aublysodon miran- 

 duSjlieidj. Proc. Academy, 1868, 198. 

 From the bad lands of Judith Eiver, Montana. 

 Eepresented by teeth. 



PTEEOSAUEIA. 



PTEEODACTYLUS, Cuv. 



Pteeodactylus umbrosus, Cope. Proceed. Amer. Philos. Society, 

 1872, p. 471. fOrnithochiruSjJ (published March 9, 1872.) 



Mobrara Chalk of Kansas. 



Pterodactylus ingens, Marsh. American Jour. Sci. Arts, 1872, 

 April, (published March 7, 1872.) 



Niobrara Chalk of Kansas. 



Pterodactylus occidentalis. Marsh. Loc. cit., April, 1872, (pub- 

 lished March 7.) OrnithocMrus harpyia, Cope. Proceed. Amer. Philos. 

 Soc, 1872, 471, (published March 9.) Pterodactylus owenii, Marsh, 

 loc. cit., 1871, p. 472, not of Bowerbank. 



Niobrara Cretaceous of Kansas. 



Pterodactylus velox, Marsh, 1. c, April, 1872. 



Niobrara Cretaceous of Kansas. 



CEOCODILIA. 



HYPOSAUEUS, Owen. 



Journ. Geological Soc. London, y, 383. 



Hyposaurus vebbii. Cope. Proceed. Amer. Philos. Soc, 1872, p. 310. 

 Benton or No. 2 Cretaceous of Kansas. 



BOTTOSAUEUS, Agass. 



Cope. Proceed. Amer. Philos. Soc, 1871, p. 48 



Bottosourus perrugosus, sp. nov. 

 Eepresented by numerous fragments, with vertebrae and portions of 

 skull which accompanied the Dinosaurian and turtle remains from East- 

 ern Colorado, already alluded to. 



