617 
Sliohippus, Anekitherium, Desmathippus, Auchippus. 
B. Miohippus, p. d. 
Mesohippus, Matthew, 1899. 
6447. f annectens, Marsh — {4856). 
6448. f condoni, Leidy — (4857). 
6449 . 7 anceps, Marsh — (4858). 
6450. + equiceps, Cope — (4860). 
6451. f brachylophus, Cope — (4861). 
6452. | longicristis, Cope — (4862). 
6453. | ultimus, Cope — (4863). 
6454. | praestans, Cope — (4865); Matthew, 
1. c., 1899, p. 63. 
f Oligocaen. ?Mon- 
tana, Mio caen.Oregon. 
f Miocaen. Oregon. 
f Miocaen. Oregon. 
fMiocaen. Oregon. 
fMiocaen. Oregon. 
fMiocaen. Oregon. 
fMiocaen. Oregon. 
fMiocaen. Oregon. 
1159. f Anchitherium, Meyer, 1844. 
H. von Meyer, Neues Jahrb. f. Mineral., 1844, p. 299. 
6455. f aurelianense, Cuvier — (4867); Amegh., 
Anal. Mus. B.-Aires, 1904, p. 126, f. 147. 
fMiocaen. Super. 
Europa Media, Gallia, 
Germania, Hispania. 
6456. f equinum, Scott — (4868); Amegh., 1. c., 
1904, p. 330, f. 306; (Hypolnppus, fide 
Gidley, Bull. Am. Mus., 1904, p. 192). 
6457. f minimum. Douglass, Neocene Lake Beds 
of West Montana, 1899, p. 26; (Neo- 
hippcirion , Sp. 6732, fide Ha y, 1902). 
fMiocaen. Sup. United 
States, Montana. 
fMiocaen. Super. 
Montana. 
1160. f Desmathippus, Scott, 1893. 1 ) 
Anchippus, p., Matthew, 1899. 
Scott, Amer. Natur., 1893, p. 661. 
6458-tcrenidens, Scott - (ms). t Miocaen. Montana. 
1161. f Anchippus, Leidy, 1868. r ) 
Protohippus, p., Cope, 1893. 
Leidy, Proc. Acad. Philad., 1868, p. 231. 
fMiocaen. Texas, 
Montana. 
6459. f texanus, Leidy - (4869); Matthew, Bull. 
Amer. Mus., 1899, p. 69. 
agrestis, Leidy - (4852), fide Matth. 
australis, Leidy - (4854), fide Matth. 
i) Ces deux genres sont synonymes de Parahippus (fide Gidley, 1904; vide 
infra: Equidae). 
