138 



RODENTIA. 



Paramys, Leidy= Pr. Ac. Nat. Sc, 1871, p. 231 ; U. S. Geol. Survey, 1871, p. 

 357 ; Cont. to Ext. Vert. Faun., p. no. 

 P. delicatus, Leidy, loc. cit. 

 P. delicatior, Leidy, loc. cit. 



P. delicatissimus, Laid}', loc. cit.; Cont. to E.\t. Vert. Faun., p. in. 

 P. robiistits, Marsh. Am. Jour, of Sc, 3d Ser. vol. iv., p. 21S, 

 P. siipcrbiis, sp. nov. This report, p. 84. 

 P. leptodiis^ Cope. U. S. Geol. Survey, 1872, p. 609. 



Mysops, Leidy. Pr. Ac. Nat. Sc, 1S71, p. 232 ; U. S. Geol. Survey, 1871, p. 

 357 ; Con.t to Ext. Vert. Faun., p. in. 

 M. minimus, Leidy, loc. cit. 

 M. fratenius, Leid)'. Cont. to Ext. Vert. Faun., p. 112. 



PsEUDOTOMUS, Cope. Pr. Am. Phil. Soc, 1872, p. 467 ; U. S. Geol. Survey, 

 1872, p. 610. 

 P. hians. Cope, loc. cit. 



Arctomys, Marsh. Am. Jour, of Sc, 3d Ser. vol. ii., p. 121. 

 A. veins. Marsh, loc. cit. 



Geomys, Marsh. Am. Jour, of Sc, 3d Ser. vol. ii., p. 121. 

 G. bisulcatus, Marsh, loc. cit. 



SciURAVUS, Marsh. Am. Jour, of Sc, 3d Ser. vol. ii., p. 122. 

 S. nitidtis, Marsh, loc. cit. 

 S. undans. Marsh, loc. cit. 

 S. parvidens. Marsh, loc. cit., 3d Ser. vol. iv. , p. 220. 



TiLLOMYS, Marsh. Am. Jour, of Sc, 3d Ser. vol. iv., p. 219. 

 T. senex. Marsh, loc. cit. 

 T. parvus. Marsh, loc. cit. 



Tachymys, Marsh. Am. Jour, of Sc, 3d Ser. vol. iv., p. 219. 

 T. lucaris, Marsh, loc. cit. 



CoLONYMYS, Marsh. Am. Jour, of Sc, 3d Ser. vol. iv., p. 220. 

 C. celer. Marsh, loc. cit. 



INSECTIVORA. 



Omomys, Leidy. Pr. Ac. Nat. Sc, 1S69, p. 63 ; Ext. Mam. of N. Am., p. 40S ; 

 Cont. to Ext. Vert. Faun., p. 120. 

 0. Ca7-ieri, Leidy, loc. cit. 



Washakius, Leidy. Cont. to. Ext. Vert. Faun., p. 123. 

 W. insignis, Leidy, loc. cit. 



Passalacodon, Marsh. Am. Jour, of Sc, vol. iv. p. 208. 

 P. litoralis. Marsh, loc. cit. 



