726 Phenacoclus, Diaoodexis, Meniscotherium, Hyracops, lleniscodon. 
4494. f? lentus, Marsli, Am. Journ., II, 1871; 
1894, p. 264, %. 16. 
4495. teuropaeus. Riitim., Abh. Schweiz. Pal. 
Ges., XV, 1888, p. .38, flg. 5— 9; XVIE, 
1891, p. 10, pl. 8, fig. 24. 
4496. f minor, Eiitim., Abh. Schweiz. Pal. Ges., 
XVIII, 1891, p. 11, pl. 8, fig. 23; ScMoss., 
Zool. Anz., 1894, p. 159. 
4497. fsp., Leraoine, Bull. Soc. Hist, Nat. Reims, 
1881, p. 78. 
f Eocaen. Wyoming 
(Bridger). 
fEocaen. infer. 
Europa, Helvetia 
(Jura.) 
fEocaen. infer. 
Helvetia (Jura). 
f Eocaen. infer. Gallia 
Orient. 
880. fDiacodexis, Cope, 1882. 
Phenacodua, p., Cope, 1882. 
4498. f laticuneus, Cope, Pal. BulL, N° 34, 1882, fEocaen. inf.-med. 
p. 181; Amer. Natur., 1882, p. 1029; Tert. Wyoming (Wasatch). 
Vert., 1884, p.492, pl. 25c. 
Familia IV. f Meniscotheridae. 
881. f Meniscotherium, Cope, 1874. 
4499. f chamense, Cope, Rep. Vert. Foss. New- 
Mexico, 1874, p. 8; Rep. Surv. West 100 
Merid.. 1877, p. 251, 252, pl. 66. 
4500. f terraerubrae. Cope, Pal. Bull., N“ 33, 
1881, p. 493; Proc. Am. Phil. Soc., 1881, 
p.493; Tert. Vert., 1884, p. 496, pl. 25f, 
25 g. 
4501. f tapiacitis. Cope, Proc. Amer. Phil. Soc., 
1882, p.470; Tert. Vert., 1884, p. 506, 
pl. 25f. 
fEocaen. inf.-med. 
Nov.-Mexico 
(Wasatch). 
fEocaen. inf.-med. 
Nov.-Mexico 
(Wasatch). 
fEocaen. inf.-med. 
Nov.-Mexico 
(Wasatch). 
882. f Hyracops, Marsh, 1892. 
4502. f socialis, Marsh, Am. Journ. Sc., XLHI, 
1892, p. 445; Osb., Amer. Natur., 1891, 
p. 911; 1892, p. 507. 
fEocaen. inf.-med. 
Nov.-Mexico 
(Wasatch). 
883. f Meniscodon, Riitim., 1888. 
4503. f Picteti, Riitim., Abh. Schweiz. Pal. Ges., fEocaen. infer. 
XV, 1888, p. 60, fig. 11; XVIH, 1891, Europa, Helvetia 
p. 10. (Jura). 
