744 
Hyrachyus. 
Subfam. 1 . tHyracodontinae. 
927. fHyrachyas, Leidj, 1871. 
Lopldodon, p., Marsh; Tapirus, Protapirus et Palaeotapirus, Filhol. 
4624. t agrarius, Leidy, Proc. Acad. Nat. Sc. Phil., 
1871, p. 229; Rep. Geol. Surv., 1871, p. 
367; Ext. Yert. Faiin., 1873, p. 60, pl. 2, 4, 
20; Cope, Tert. Vert., 1884, p. 675; Amer. 
Natur., 1887, p. 997, tig. 10, pl. 31 ; Osb. 
et Wortm., BuU. Am. Mus. 1895, p. 367, 
fig. 9, 10, 11. 
agrestis, Leidy, Rep. 1871, p. 357. 
implicatus, p., Cope (Specim. 1). 
Bairdianus, Marsh, Amer. Jomm., II, 
1871, p.3. 
4626. t eximius, Leidy, Proc. Ac. Phil., 1871, 
p. 229; Rep. Geol. SuiT., 1871, p. 361; 
Ext. Vert. Fauna, 1873, p. 66, pl.4, 19, 26; 
Cope, Tert. Vert., 1884, p. 661, pl. 23a, 
53, 54, 55, 55 a et 58a. 
fEocaen. med. 
America sept., 
lAyeming 
(Bridger). 
fEocaen. med. 
Wyoming 
(Bridger). 
4626. f modestus, Leidy, Proc. Ac. Phil, 1871, 
p. 229; Ext. Vert. Fauna, 1873, p. 67, pl. 2, 
fig. 13. 
4627. f princeps, Marsh, Am.Journ.Sc., IV, 1872, 
p. 125; Cope, Tert. Vert., 1884, p. 661, 
pl. 52, fig. 4. 
4628. f implicatus. Cope, Pal. Bull. N« 12, 1873, 
p. 5; Tert. Vert., 1884, p. 676, pl. 58, 
fig. 6, 7. 
crassidens, Scott, Sp. et Osb., Rep. Prine. 
Exp., 1877, p. 52. 
4629. t imperialis, Scott, Spier et Osb., Rep. Prine. 
Exp., 1877, p. 50; ?Cope, Tert. Vert., 
p. 661. 
4630. t intermedius, Scott, Sp. et Osb., Rep. Prine. 
Exp., 1877, p. 51. 
4631. f paradoxus, Scott, Sp. etOsb., Rep. Prine. 
Exp., 1877, p. 53, 135. 
4632. f? nanus, Leidy, 'Proc. Acad. Philad., 1872, 
p. 20 (= Thlatetes boops, Marsh, 1872, 
— Vide infi-a Sp. 4722). 
fEocaen. med. 
Wyoming. 
f Eocaen. med. 
AVyoming. 
f Eocan. med. 
Wyoming. 
f Ecoaen. med. 
Wyoming (Bridger). 
fEocaen. med. 
Wyoming. 
fEocaen. med. 
Wyoming. 
f Eocaen. med. 
Wyoming. 
