Equus. 
791 
4927. tsemiplicatus, Cope, Eeport Geol. Surv. 
Texas, 1892 (1893), p. 80, pl. 23. 
fraternus. Cope (uec Leidy), Amer. 
Natur., 1889, p. 161. 
4928. fconversidens, Owen, PMl. Trans. Roy. 
Soc.Lond., 1869, p. 269. 
4929. t fraternus, Leidy, Proc. Ac. Phil., 1858, 
p. 11; Tiismey etHolmer, Post.Plioc.Poss. 
Carolina, 1859, p. 100, pl. 15, 16; Ext. 
VeriPaun., 1869, p. 399; Cope, Amer. 
Nat., 1885, p. 1209; Proc. Amer. PM. 
Soc., XXXIV, 1896, p.465. 
4930. t intermedius, Cope, Proc. Amer. PMl. Soc., 
XXXIV, 1896, p.463, pl. 12. 
major, p., Leidv (nec D ekay ), Trans. W agn. 
Pree Inst., II, 1889, p. 38, fig., p. 39, 40. 
4931. tsimplicidens, Cope, Proc. Amer. PMl. 
Soc., 1892, p. 124; Ann. Rep. Geol. Surv. 
Texas, 1891 (1892), p. 252, Rep. Geol. 
Surv. Texas, 1892 (1893), p. 66, pl. 20. 
4932. tCumminsii, Cope, Rep. Geol. Surv. Texas, 
1892 (1893), p. 67, pl. 20, 23. 
4933. teurystylus, Cope, Rep. Geol. Surv. Texas, 
1892 (1893), p. 43, pl. 12, 20. 
4934. t minutus. Cope, Rep. Geol. Surv. Texas, 
1892 (1893), p. 67, pl. 20, fig. 8. 
4935 f curvidens, Owen. Cat. Poss. Mam. Mus. 
CollSurg., 1845, p. 236; Cope, Proc. Ac. 
PMlad., 1847, p. 263; Burmeist., Caball. 
PosiLPampa, 1889, p. 15, pl.9; AmegM, 
Mamif. Posii., 1889, p. 504, pl. 27 et 72; 
Rev. Arg., 1891, p. 41. 
aj^fnis caballo, Lund, Dansk. Vid. Selsk., 
XII, '1846, p.86. 
americanus, ^Gerv. (nec Leidy). 
4936. targentinus, Burm., Caball. Posil. Pampa, 
1889, p. 25; AmegM, Mam. Posil., 1889, 
p. 504, pl. 27; Rev. Arg., 1891, p. 39, 
tig. 18 et 41. 
f Pliocaen. 
Texas merid. 
» 
f Pliocaen. Mexico. 
f Pliocaen. et pleist. 
America sept. 
Nebraska. 
I Pleistocaen. 
Louisiana. 
f Pliocaen. Texas. 
■(Pliocaen. Texas. 
•(Pliocaen. med. 
Texas. 
f Pliocaen. super. 
Texas. 
f Pliocaen. America 
merid., Brasil merid., 
Argentina. 
■( Pliocaen. Argentina. 
