I40 

 AVES. 



RAPTORES. 

 Bubo. 



B. leptosteus, Marsh. Am. Journ. of Sc, 3d Ser. vol. ii, p. 126. 



GRALLATORES. 



Aletornis, Marsh. Am. Journ. of Sc, 3d Ser. vol. iv., p. 256. 

 A. nobilis. Marsh, loc. cit. 

 A. pernix. Marsh, loc. cit. 

 A. vemcsttts. Marsh, loc. cit., p. 257. 

 A. gracilis. Marsh, loc. cit., p. 258. 

 A. dellus. Marsh, loc. cit. 



SCANSORES. 

 UlNTORNis, Marsh. Am. Journ. of Sc, 3d Ser. vol. iv., p. 259. 

 U. hccaris, Marsh, loc. cit. 



REPTILIA. 



CROCODILIA. 

 Crocodilus. 



C. liodon. Marsh. Am. Journ. of Sc, 3d Ser. vol. i., p. 454. 



C. affitiis. Marsh, loc. cit. 



C. Gnnnellii, Marsh, loc. cit., p. 455. 



C. brevicollis, Marsh, loc. cit., p. 456. 



C. parvus, sp. nov. This report, p. gr. 



C. clavis. Cope. Pr. Am. Phil. Soc, 1872, p. 485 ; U. S. Gaol. Survey, 1872, 

 p. 612. 



C. sulciferus. Cope. Pr. Am. Phil. Soc, 1872, p. 555 ; U. S. Survey, loc. cit. 



C. hetorodon, Cope. Alligator heterodon, Pr Am. Phil. Soc, 1872, p. 544 ; 

 U. S. Geol. Survey, 1872, p. 614. 



C. aptus, Leidy. Cont. to Ext. Vert. Faun., p. 126. 



C. Elliotii, Leidy, loc cit. 



DiPLOCYNODUS. 



D. subulatus. Cope. U. S. Geol. Survey, 1872, p. 613 ; Crocodilus subulatus, 

 Pr. Am. Phil. Soc, 1872, p. 554. 



D. polyodon. Cope. U. S. Geol. Survey, 1872, p. 614. (In his report to 

 Lt. Wheeler, Prof. Cope says that "a single species, the D. subulatus, occurs" 

 in the Bridger Basin, (p. 60). It is therefore probable that he has changed the 

 D. polyodon, but we cannot find its synonym.) 



