MesoMppus, JVEioliippus. 



781 



4850. tintermedius, Osb. et Wortm., Bull.Aruer. 

 Mus., 1895. p. 353, 354, fig. 4. 



4S51.tCopei, Osb. et Wortm., Bull. Amer. Mus., 

 1895. p. 356, fig. 5. 



4852. tagrestis. Leidy, Ext. Yert. Faima, 1873, 

 p. 251, pl. 7. 



4853. t Westoni. Cope, Amer. Nat, 1889, p. 153 ; 

 Geol. Surv. Cauada, Pal., EI. 1891, p. 20, 

 pl. 14 (Anehitheriuni). 



4854.taustralis, Leidy, Ext. Yert, Fauna, 1873, 

 p. 250. pl. 20. 



4855. t gracilis. Marsh, Amer. Jouru. Sc, II, 

 1871. p. 39. 



962. tMiohippus, Marsh, 

 Aiuldtheriuiit, p.. Leidy, Cope, Marsh, Scott 



4856. tannectens. Marsh, Amer. Jouni. Sc, VII, 

 1874. p. 249: Scott. Traus. Anier. Phil. 

 Soc. 1894, p. 80, pl. 1. 



4857. t Condoni, Leidv, Proc Acad. Philad., 1870, 

 p. 112: Ext. Vert. Fauna, 1873, p. 218, 

 pl. 2. 



4858. tanceps. Marsh, Amer. Journ. Sc, VII, 

 1874. p. 250: XLUI, 1892, p. 350, fig. 

 20, 21. 



4859. ?| parvulus, Marsh. Amer. Journ. Sc, XLVI, 

 1868. p. 374 (Equus); VII, 1874, p. 251 

 (Protohippus) : Leidy, Ext.Vert.Fauna, 187 3, 

 p. 252, pl. 20 : Scott et Osb., Bull.Mus. Comp. 

 ZooL XVI, 1890. p. 89 (= ?sp. 4884a). 



4860.tequiceps, Cope, Am. Xat., 1878, p. 73; 

 Proc Amer. Phil. Soc, XVIII, 1878, p. 73; 

 Scott, Trans. Amer. Phil. Soc, XVII, 1894, 

 p. 79: Cope, Am. Nat.. 1894, p. 791. 



4861.tbrachylophus, Cope, Am. Nat., 1878, p. 74; 

 Proc Am. Phil. Soc, XVIII, 1878, p. 74; 

 Am.Xat.. 1894, p. 791. 

 b. — sp., Scott, Trans. Am. Phil. Soc, 1894, 

 p. 82. 



f Oligocaen. sup. 



America sept. 



(White Biver). 

 tOligocaen. sup. 



America sept. 



fMiocaen. America 



sept. 



fMiocaen. America 

 sept. Canada. 



fMiocaen. Texas. 



f Miocaen. infer. Utah. 



1874. 



et Osb., 1870—90. 



tMiocaen. super. 



America sept, 

 Oregon, Montana 



(Deep River). 



fMiocaen. snper. 



Oreexm. 



fMiocaen. super. 

 Oregon. 



fMiocaen. med. et 



super. Nebraska 

 (Deep River et Loup 



Forh). 



fMiocaen. med. 

 Oregon (John Day). 



tMiocaen. med. 

 Oregon (John Day). 



(Loup-Fork infer.) 



