Hyracotlierium. 
771 
-j-Eocaeii. infer. 
1. Britannica. 
4779. f cuniculus. Owen, Ann. Nat. Hist., VIII 
(1841), 1842, p. 1. 
eooaenus, Owen (Macacus), Brit. Foss. 
Mara., 1846, p. 6, tig. 170, 171 (Eopi- 
tliecus, Owen). 
B. Eohippus, Marsh, 1876; Wortman, 1896. 
4780. ytapirinum, Cope, Syst. Cat. Vert. New- f Eocaen. infer. 
Mexico, 1875, p. 20 (Systemodon) ; Amer. America sept.. 
Natur., 1881, p. 1018; Tert. Vert., 1884, Nov.-Mexico, 
p.619; Wortman, Bull. Amer. Mus., 1896, Wyoming (Wasatch). 
p. 94, lig-. 4 et 5, pl. 2, fig. B. 
4781 t cristatum, Wortman, BuU. Amer. Mus., Eocaen. infer. 
1896, p. 96, fig. 6, pl. 2, fig. H. Wyoming (Wasatch). 
4782. tcraspedotum, Cope, Amer. Natur., 1880, 
p. 747; Bull. Geol. Surv., 1881, p. 199; 
Tert. Vert., 1884, p.631, pl. 58; Wortm. 
Bull. Amer. Mus., 1896, p. 97, fig. 7, pl. 2, 
fig. M. 
4783. f vasacciense, Cope, Proc. Amer. Phil. Soc., 
1872, p. 474; Eep. Geogi-. Surv. West 100 
merid., 1877, p. 264, pl. 66; Tert. Vert., 
1884, p. 634, pl. 24; Wortm., Bull. Amer. 
Mus., 1896, p. 98, fig. 8, pl. 2, fig. G. 
f Eocaen. infer. 
Wyoming 
(Wind-River). 
f Eocaen. infer. 
Nov.-Mexico 
(Wasatch). 
4784. t index. Cope, Bull. Geol. Surv., 1873, p. 
459; Pal. Bull. N» 17, 1873, p.4; Rep. 
GeogT. Surv. West 100 merid., 1877, p.262; 
Tert. Vert., 1884, p. 650; Wortm., Bull. 
Amer. Mus., 1896, p. 99, 100, fig. 9, 10, 
pl. 2, fig. C, L. 
ungnstidens. Cope, Syst. Cat. V ert. New- 
Mexico, 1875, p. 22; Eeji. Surv., 1. c., 1877, 
p. 255 ; Lydekk., Cat. Foss. Mam., III, 1886, 
p. 12. tig. 3. 
cuspidatum, p. Cope (nec Marsh). 
uintanum, p. Cope (nec Marsh), Rep. 
l.c., 1877, p. 255. 
•{•Eocaen. infer. 
Wyoming, Nov.- 
Mexico (W-asatch nec 
Bridger). 
