Hyracliyus, Colonoceras, Cesserasictis, Tiiplopus, AncMsodon. 
745 
4633. f? singularis, Cope, Syst. Cat. New-Mexico, f Eocaen. med. 
1875, p. 19; Eep. GeogT. Surv. West 100 Nov.-Mexico. 
Merid., 1877, p. 267, pl.66, fig. 17. (Vide 
Sp. 4721.) 
4634. f Zeiileri, Filhol, Ann. Sc. GeoL, XVII, fEocaen. med. Gallia 
1886, p. 16, pl. 6. centrali (Selles-sur- 
Cher). 
928. f Colonoceras, Maish, 1873. 
4635. f agrestis, Marsh, Amer. Journ.Sc., V, 1873, fEocaen. med. 
p. 407 ; Scott et Osb., Trans. Am. Phil. Soc., America sept., 
XVI, 1889, p. 605. Wyoming. 
929. f Cesserasictis, Filhol, 1887. 
4636. f antiqua, FiUml, Bull. Soc. Philom., XII, f Eocaen. 
1888, p. 68; Mem. Soc. GeoL, 1888, art. 1, Gallia merid. 
p. 181, pl. 19, fig. 3. 
930. fTriplopus, Cope, 1880. 
Hyrachyus, p., Scott et Osb., 1887; Prothyracodon, S. et 0., 1887. 
4637.f cubitalis, Cope, Amer. Nat., 1880, p. 383; fEocaen. med. 
Tert. Vert., 1884, p. 679, pl. 55a, 66 a; Wyoming (Brigder). 
Amer. Natur., 1887, p. 999, fig. 13. 
4638. f amarorum. Cope, Proc. Amer. Phil. Soc., 
■1881, p. 389; Tert. Vert., 1884, p. 687, 
pl. 55a, 68 a. 
4639. f obliquidens, Scott et Osb., Proc. Amer. 
P hil . Soc., 1887, p. 259; Trans. Amer. Phil. 
Soc., XVI, 1889, p. 524, pl. 11. 
intermedium, Sc. et Osb., 1. c., 1887, 
p. 260 . 
fEocaen. med. 
Wyoming. 
fEocaen. sup. 
Wyoming (Uinta). 
931. Anchisodon, Cope, 1879. 
Ilyracodon, p.. Cope 1874; Aceratherium, p.. Cope. 
4640. f quadriplicatus. Cope, Ann. Rep. GeoL Surv. f Miocaeu. Colorado. 
1874, p. 495; Amer. Natur., 1879, p. 270. 
4641. f tubifer. Cope, Bull. GeoL Surv. Territ., V, fMiocaen. Oregon. 
1879, p. 233; Amer. Nat., 1879, p. 270 — 
1371. 
49 
