llerychyus, Merycochoerus. 
837 
1026. fMerychyus, Leidy (1858, nom. nud.), 1869. 
Ticholeptus, Cope, 1878. 
5176. f arenarum, Cope, Amer. Natur., 1884, 
p. 282 ; Pal, Bull., N“ 38 ; Proc. Am. Phil. 
Soc., 1884, p. 540; Scott, Morph. Jahrb., 
1890, pl. 13 et 16. 
b. — leplorhpnahus, Cope, Pal. Bull., 1. c.; 
Proc. Am. PMl. Soc., 1884, p. 537. 
5177. f pariogonus. Cope, Amer. Natur., 1884, 
p. 282; Proc. Am. Phil. Soc., 1884, p. 542; 
Scott, Trans. Am. Phil. Soc., XVII, 1893, 
p. 148. 
5178. f zygomaticus, Cope, Amer. Natur., 1878, 
p. 129; 1884, p. 282; Proc. Am. Phil. Soc., 
1884. p. 545; Scott, Trans. Amer. Phil. 
Soc., 1894, p. 146, pl. 5. 
5179. f elegans, Leidy, Proc. Ac. Phil., 1858, 
p. 24; Ext. Mam. Fann., 1869, p. 118, 
pl. 11 ; Bettany, Quart. Journ. Geol. Soc., 
1876; Scott et Osb., Bull. Mus. Comp. 
Zool., XX, 1890, p. 72. 
5180. f medius, Leidy, Proc. Ac. Phil., 1858, 
p. 25; Ext. Mam. Faun., 1869, p. 119, 
pl. 11; Cope, Surv.West 100 Merid., 1877, 
p. 324. 
5181. f major, Leidy, Proc. Acad. Philad., 1858, 
p. 26; Ext. Mam. Fauna, 1869, p. 121, 
pl. 10; Cope, Proc. Am. Phil. Soc., 1884, 
p. 545. 
fMiocaen. sup. 
Wyoming (Deep 
Eiver). 
Wyoming (Deep 
Eiver). 
fMiocaen. Snp. 
Montana (Deep 
Eiver). 
fMiocaen. sup. 
Montana (Deep 
Eiver). 
fMiocaen. sup. 
Nebraska. 
fMiocaen. sup. 
Nebraska, 
Nov.-Mexico. 
fPliocaen. infer. 
Nebraska 
(Loup Fork). 
1027. f Merycochoerus, Leidy (1858, nom. nud.), 1873. 
Oreodon, p., et Kpxrtmdon, p., Leidy, 1869. 
5182. f superbus, Leidy, Ext. Mam. Faun., 1869, fMiocaen. med. 
pl. 17; Proc. Ac. Philad., 1870, p. 109; America sept., 
Ext. Vert. Faun., 1873, p. 211, pl. 1, 2, 7 ; Oregon (John Day). 
Cope, Proc. Am. Phil. Soc., 1884, p. 522; 
Scott, Morph. Jahrb., 1890, pl. 14. 
temporalis, Bettany, Quart. Journ. Geol. » 
Soc., 1876, XXXn, p. 259. 
