Desmathippus, Anohippus, Hypohippus, Parahippus, Protohippus. 783 
964. t Desmathippus, Scott, 189.5. 
Anchitheriurn, p., Cope, 1894. 
4868.fcrenidens, Scott, Amer. Nat., 1893, fMiocaen. super, 
p. 661; Trans. Am. PWl. Soc., XVII, 1894, America sept. 
p. 84, pl. 2, lig. 9 — 14; Cope, Amer. Natur., Montana(Deep River). 
1894, p. 791. 
96.5. fAnchippus, Leidy, 1868. 
Anchitheriurn, p., Zittel, 1893. 
4869. ftexanus, Leidy, Proc.Acad.PMlad., 1868, fMiocaen? America 
p. 231; Ext. Mam. Fauna, 1869, p. 312, sept., Texas. 
pl. 21, fig. 13. 
4870. f brevidens, Marsh, Amer. Journ. Sc., VII, fPliocaen. Oregon. 
1874, p. 254 = Protohippus sp. (juv.), 
fide Cope, Ann. Rep., 1892 (1893), p. 23. 
966. t Hypohippus, Leidy, 1868. 
4871. f affinis, Leidy, Proc. Ac. Phil., 1868; fPliocaen. Niobrara. 
Ext. Mam. Fauna, 1869, p. 311, pl. 21, 
fig. 11, 12. 
967. f Parahippus, Leidy, 1868. 
4872. f cognatus, Leidy, Proc. Ac. Phil., 1868; fPliocaen. Niobrara. 
Ext. Mam. Fauna, 1869, p. 313, pl. 21, 
fig. 7—10. 
Familia V. Equidae. 
968. f Protohippus, Leidy (1858), 1869. 
1893. - Cope, Prelm.Bep.Vert. Pal.Llano Estacado,-~Aiin.^ST^Ar&o\.^nv\. 
Texas 1892, p. 20—36, pl. IU— XII. 
Merychippus, Parahippus et Hypohippus, Leidy, 1869. 
4873.f pachyops, Cope, Ann. Rep. Geol. Surv., f Miocaen. sup. 
Texas 1892 (189.3), p. 26, pl. 11, 12, 17. America sept.. Texas. 
