784 
Protohippus. 
4874. f perditus, Leidy, Ext. Mam. Fauna, 1869, 
p. 275, pl. 17; Ext. Vert. Fauna, 1873, 
p. 248, pl. 20; Cope, Am. Nat., 1892, 
p. 942, pl. 26; inn. Rep. Texas 1892, 
p. 24, 29, pl. 10. 
t',ognatu8, Leidy, I.C., 1869, p.311, pl. 21. 
profectus, Cope, Proc. Amer. PMl. Soc.. 
1889, p. 447, pl. 2. 
4875. f medius. Cope, Amer.Natur., 1892, p. 944, 
pl. 26; Ann. Rep. 1892, p. 25, pl. 10. 
insignis, p., Leidy, Ext. Mara. Fauna, 
1869, p. 296, pl. 17; Cope, Bull. Geol. 
Surv., 1874, p. 13; Ann. Rep. 1873(1874), 
p. 523. 
4876. t fossulatus, Cope, Ann. Rep. Geol. Surv., 
Texas 1892 (1893), p. 30, pl. 5—7. 
4877.1 sejunctus. Cope, Bull. Geol. Surv., 1873 
(1874), p. 15; Ann. Rep. 1873 (74), I, 
p. 15; Ann. Rep., 1873 (1874), p. .524; 
Amer. Natur., 1887, p. 1071, fig. 39; Scott, 
Trans. Amer. PHl. Soc., 1894, p. 93. 
insignis, p., Leidy (specimen 2), Ext. 
Mam. Faun., 1869, p. 299, pl. 17. 
4878. fsp., Scott, Trans. Am. PMl. Soc., 1894, 
p. 93, pl. 2, fig. 17. 
4879.1 mirabilis, Leidy, Ext. Mam. Fauna, 1869, 
p. 299, 327, pl. 17 (part, exclus. fig. 8, 9) ; 
Cope, Bull. Geol. SmT., 1874, p. 16 ; Ann. 
Rep., 1892 (1893), p. 2.5, 32, pl. 8, 9, 10. 
? supremus, Leidy, 1. c., 1869, p. 328, 
pl. 27, fig. 3, 4. 
4880. f labrosus. Cope, BuU. Geol. Surv., 1874, 
p. 13; Ann. Rep. 1873 (1874), p. 523; 
Ann. Rep. 1892 (1893), p. 26. 
4881. tCastilli, Cope, Proc. Amer. PMl. Soc., 
1885, p.l61, fig. 2; Ann. Rep. 1892(1893), 
p. 26. 
4882. f lenticularis. Cope, Ann. Rep. Geol. Surv. 
Texas, 1892 (1893), p. 41, pl. 12. 
fMiocaen. sup. 
Nebraska, Colorado, 
Kansas, Wyoming, 
Texas. 
» 
fMiocaen. super. 
Oregon, Kansas, 
Mexico. 
Nebraska. 
f Miocaen. sup. Texas. 
fMiocaen. sup. 
Colorado, Montana. 
Nebraska. 
Miocaen. sup. 
Montana. 
fMiocaen. super. 
America sept., 
Nebraska, Texas. 
Nebraska. 
f Miocaen. sup. 
Colorado sept.-or. 
fMiocaen. sup. 
Mexico (Vera Cruz). 
fMiocaen. sup. 
Texas. 
