Pliohippus, Stereohippus. Parahipparion, Pseudohipparion, Neohipparion. 639 



fPliocaen. Texas. 



6714. fsimplicidens, Cope {4931, Equus); Gidley, 

 Bull. Am. Mus., 1901, p. 123. 



6715.tgracilis, Marsh, Am. Journ. Se, 1892, fPliocaen. Oregou. 

 43, p. 347. - 



6716.trobustus. Marsh — (4886). fMiocaen. Nebraska. 



6717.tspectans, Cope — (4893); Matthew, fMioc. et Pliocaen. 

 Bull. Amer. Mus., 1899, p. 70, 75. infer. OreRon, Texas. 



6718.tinterpolatum, Cope — (4894); Matthew, 

 1. c, 1899, p. 75. 



fPliocaen. Texas. 



1226. t Stereollippus, Amegh., 1904. 

 Ameghiuo, Anal. Mus. B.- Aires, 1904, p. 36. 



6719.ttarijensis, Amegh., 1. c, 1904, p. 36, fPliocaen. Med. 



f. 16, 351, 375—377. 



Argentin a. 



1227. f Parahipparion, Amegh., 1904. 

 Ameghino, Anal. Mus. B.-Aires, 1904, p. 273. 



6720. f méridionale, Ameghino, 1. c, 1904, p. 273, fPliocaen. infer. 



f. 373, 374. 



Argentina. 



1228. f Pseudohipparion, Amegh., 1904. 



Hipjyarion^ p., Cope et Auct. 

 Ameghino, Anal. Mus. B.-Aires, 1904, p. 262. 



6721.f retrusum, Cope — (4907); Amegh., 1. c, fMiocaen. Sup. 



1904, p. 262, f. 353, 356. Kansas. 



1229. f Neohipparion, Gidley, 1903. 



Hipparion, p., Auct. (Species Americanae); Anchitherium, Dongiass, 1900. 

 Gidley, Bull. Amer. Mus., 1903, p. 466, 467. 



A. Neohipparion. 



6722. f occidentale. Leidy — (4898, excl. syn.: 

 Cope, 1889). 



6723. f affine, Leidy — (4898 part); Pavlow, 

 Bull. Nat. Moscou, 1888, pi. 1, f. 26. 



occidenialis, Cope, 1889 — (4898 p.), 

 nec Leidy. 



6724.f whitneyi, Gidley, Bull. Am. Mus., 1903, 

 p. 467. 



fMiocaen. Super. 

 Dakota, Texas. 



fMiocaen. Super. 

 Nebraska, Texas. 



fMiocaen. Super. 

 Dakota Merid. 



