Hipparion. 
787 
972. t Hipparion, Christol, 1832. 
1889. - Cope, A Beview of the North- American Species of Hippotherium, — 
Proc. Amer. Phil. Soc., 1889, p. 429—458, pl. I III. 
Equus, p., Meyer; Hippotherium., Kaup, 1835; Cope, 1872 1889; 
Hippodon, Leidy; Sivalhippus, Lydekk.; Stylonus, Cope. 
A. Hipparion. 
4898. t occidentale, Leidy, Proc. Acad. Philad., 
1856, p.59; 1858, p.27; Ext. Mam. Fauna, 
1869, p. 281, pl. 18, 27 ; Cope, Proc. Amer. 
PhikSoc., 1889, p.434, pl. 1, fig. 1. 
affine, Leidy, 1. c., 1869, p. 286, pl. 18 
(juv. vel Var., Me Cope). 
4899. f Sinclairi, Wortm., Rev. Scient, 1883, p. 
712; Cope, Amer. Natur., 1886, p. 368; 
Proc. Amer. PMl. Soc., 1889, p. 434. pl. 1, 
tig. 2. 
4900. t Montezumai, Leidy, Proc. Ac. Phil., 1882, 
p. 29 7 ; Trans.W agmEree Inst.,1 889, tig.p.^; 
Cope, Proc. Amer. Phil. Soc., 1889, p. 435. 
4901. t rectidens, Cope, Proc. Amer. Phil. Soc., 
1886, p. 360; 1889, 1. c., p. 458 (Nota), 
pl. 1, fig. 3. 
4902 . tpeninsulatum, Cope, Proc. Amer. Phil. 
Soc., 1885, p. 150, tig. 1; 1889, p.436, 
pl. 1, fig. 4. 
4903. t venustum, Leidy, Proc. Acad. Phil., VI, 
1853, p. 241; Holmes, Post-Plioc. Foss. 
South-Carolina, 1859, p. 105, pl. 16, fig. 
32, 33; Cope, Proc. Amer. Phil. Soc., 1889, 
p. 448, pl. 3, fig. 18. 
4904. -(-speciosum, Leidy, Proc. Acad. Phil. 1854, 
p. 90 (Hippodon); 1858, p. 27 ; Ext. Mam. 
Fauna, 1869, p. 282, pl. 18; Cope, Bull. 
Geol. Surv., 1874, p. 12; Rep. Surv. West 
of 100 Merid., 1877. p. 322, pl. 75; Proc. 
Am. Phil. Soc., 1889, p.436, pl. 1, fig. 6. 
4905. ■(■ plicatile, Leidy, Proc. Acad. Phil., 1887, 
p. 309, fig. (dent); Cope, Proc. Am. Phil. 
Soc., 1889, p. 444, pl. 2, fig. 6. 
fMiocaen. super. 
America sept. 
Nebraska, Oregon. 
Nebraska. 
-(-Miocaen. sup. 
Oregon. 
fMiocaen. sup. 
Mexico 
(Regione Vera Cruz). 
fMiocaen. sup. 
Mexico. 
fMiocaen. super. 
Mexico, Vera Cruz. 
f Pliocaen. infer. 
Carolina merid. 
fMiocaen. super. 
Dakota, Nebraska, 
Kansas, Texas, 
Nov.-Mexico. 
f Miocaen. super. 
Florida. 
