Agriochoerus, Oreodon. 
835 
SieS.fniacrocephalus, Cope, Proc. Am. PMl. 
Soc., XVIII, 1879, p. 376; Wortm., Bull. 
Amer. Mus., 1895, p. 178. 
5166. f?sp., Lydekk., Mem.Geol.Surv.Ing., II, 
1883, p. 30, pl. 23, lig. 2. 
f Miocaen. med. 
Oregon (Johu Day) 
f Miocaen. India. 
Subfam. 3. fOreodontinae. 
1023. t Oreodon, Leidy, 1851. 
Merycoidodon, Leidy, 1850 (nom. nud.); Cotylops, Leidy, 1851. 
5167. f Culberstonii, Leidy, Proc. Ac. PMl., IV, 
1848—1850, p. 47, fig. 1-5; V, 1851, 
p. 238; Anc. Fauna Nebr., 1853, p. 45, 
pl. 2 — 4 et 6; Ext. Vert. Fauna, 1873, 
p. 211, pl. 7; Bruce, Bull. Mus. Princet., 
1883, p. 36, pl. 7 ; Cope, Proc. Am. PMl. 
Soc., 1884, p. 512; Scott, Morpb. JaMb., 
1890, p. 320, pl. 12, 13, 16; Osb. et 
Wortm., Bull. Am. Mus., 1894, p. 215, 
fig- A. 
priscum, Leidy, Proc. Ac. PML, 1851, 
p. 238. 
robustum, Leidy, 1. c., 1851, p. 276. 
speciosa, Leidy (Cotylops), 1. c., p. 239. 
b. — periculorum. Cope, Pal. Bull., N® 38; 
Proc. Am. Phil. Soc., 1884, p. 513. 
5168. t gracilis, Leidy, Proc. Acad. PMlad., 1851, 
p. 239; 1853, p. 392; 18.54, p. 157; 1857, 
p. 89; Kep. Geol. Surv., 1852, p. 550, 
pl. 11, 13; Anc. Fauna Nebr., 1853, p. 53, 
pl. 5, 6; Ext. Mam. Fauna, 1869, p. 94, 
pl. 6 ; Scott et Osb., Bull. Mus. Princet., 
1887, N“ 6; Scott, Morpb. Jahrb., 1890, 
pl. 13; Osb. et Wortm., Bull. Am. Mus., 
1894, p. 216, fig. B. 
b. — coloradoensis. Cope, Proc. Amer. Phil. 
Soc., 1884, p. 512. 
t Miocaen. inf. 
America sept., 
Dakota, Nebraska, 
Colorado, Wyoming 
(White-River). 
» 
Colorado et 
Wyoming. 
f Miocaen. inf. 
Dakota, Nebraska, 
Colorado, Wyoming 
(White-River). 
Colorado. 
5169. f affinis, Leidy, Ext. Mam. Fauna, 1869, 
p. 105, pl. 9, fig. 3. 
5170. f hybridus, Leidy, Ext. Mam. Fauna, 1869, 
pl. 9, fig. 4. 
f Miocaen. inf. 
Nebraska. 
t Miocaen. inf. 
Dakota. 
