Phenacodus. 
725 
879. t Phenacodus, Cope, 1873. 
HyracotJierium, p., Cope, 1880; 2'risporulylus, 
Thinotherium, p., Elotherium, p., Marsh, 
4485. f nunenius, Cope, Tert. Vert., 1884, p.434, 
pl.57g. 
4486. f primaevus, Cope, Pal. BuU., 17, 1873, 
p. 3; Kep. Vert. Foss. Ncw-Mex., 1874, 
p. 10. 122; Ann.Bep., 1873, p.458; Rep. 
West 100 MerkI., 1877. p. 174; Tert.Vert., 
1884, p. 435, pl. 57, b, c, d, e, h et pl. 58; 
Osb. et Wortm., Bull. Ara. Mus., 1892, 
p. 86, fig. 2. 
Cope; lleloliy us, 
1871—72. 
t Eocaeu. iiif.-med. 
■ America sept. 
(Wasatch). 
fEocaen. iiif.-med. 
America sept. 
Wyoming (Wasatch). 
Var. trilohatus. Cope, Tert. Vert., pl. 58, 
fig. 11. 
^487. -j- hemiconus. Cope, Pal. Bull., N“ 34, 1882, 
p. 179; Proc. Ara. Phil. Soc., 1881 (1882), 
p. 179; Tert.Vert., 1884, p. 463, pl. 24e. 
4488. Wortmanni, Cope, Amer. Natur., 1880, 
p. 747 (Hyracoth.); Bull. Geol. Surv., VI, 
1881, p. 199; Pal. Bull., N” 34, p. 179; 
Tert. Vert., 1884, p. 464, pl. 29 e, f, 
57h, 58. 
aptemus, Cope, Pal. Bull., N“ 34, 1882, 
p. 179, 180. 
4489. imacropternus, Cope, Pal. Bull., N" 34, 
1882, p. 179; Tert, Vert., 1884, p. 490, 
pl. 24 e. 
4490. fbrachypternus, Cope, Pal. Bull., N“ 34, 
1882, p.l80; Tert.Vert., 1884, p. 490, 
pl. 24 e. 
4491. |2i,niensis, Cope, Pal, Bull., N« 33, 1881, 
p. 492; Proc. Am. Phil. Soc., 1881, p. 492; 
Tert. Vert., 1884, p. 491, pl.67f. 
4492. f ppiicodon, Marsh, Am. Journ. Sc., IV, 
1872, p.207; XLffl, 1892, p. 351 ; XL VIII, 
1894, p. 264, fig. 11—14; Scott, Morphol. 
Jahrb., XVI, 1890, p. 319, pl. XIV, fig. 14. 
4493. f «validus, Marsh, Am. Jouru., IV, 1872, 
p.208; 1894, p. 264, fig. 15. 
fEocaen. inf.-med. 
America sept. 
(Wasatch). 
fEocaen. inf.-med. 
America sept. 
Wyomiiig (Wasatch). 
fEocaen. inf.-med. 
America sept., 
(Wasatch). 
fEocaen. inf.-med. 
America sept. 
(Wasatch). 
fEocaen. inf-med. 
America sept. 
(IVasatch). 
fEocaen. America 
sept. Wyoming 
(Bridger). 
f Eocaen. IVyoming. 
