156 Palfcictops, Mesodectes, Geolabis, Leptictis, Biacod., Centetod., Passalaood. 
279. fPalaeictops, Matthew, 1899. 
Ictops, p., Cope, 1881; Stypolophus, p., Cope. 1880. 
Matthew, Bull. Amer. Mus., .1899, p. 31. 
1601. fbicuspis, Cope — (/27*); Matthew, 1. e., fEocaen. Wvoming. 
1899, p. 31. 
280. f Mesodectes, Cope, 1882. 
1 sacis, Cope, 1873 (nom. praeocc.). 
Cope, Proc. Amer. Philos. Soe., XX, 1882, p. 157. 
1605. f caniculus, Cope — (1280); Matthew, f Oligoeaen. Colorado. 
Bull. Amer. Mus., 1899, p. 55. 
281. f Geolabis, Cope, 1884. 
Dornnina, p., Cope, 1874. 
Cope, Tert. Yert., 1884, p. 807. 
1606. frhynchaeus. Cope — (1281). f Oligoeaen. Colorado. 
282. f Leptictis, Leidv, 1868. 
Leidy, Proc. Ac. Nat. Sc. Philad., 1868, p. 315; Ext. Mam. Fauna, 
1869, p. 345. 
1607. fhaydeni, Leidy — (1282). f Oligoeaen. Dakota. 
283. fDiacodon, Cope, 1875. 
Cope, Syst. Cat. Yert. Eoe. New-Mexico, 1875, p. 11. 
1608. falticuspis. Cope — (1283). fEocaen. New- 
, Mexico. 
1609. -j-celatus, Cope — (1284). fEocaen. New- 
Mexico. 
1610. fvpomeli, Lemoine (nom. nud.) — (1285). fEocaen. Gallia Or., 
(Reims). 
284. f Centetodon, Marsh, 1872. 
Marsh, Amer. Journ. Sc., IV, 1872, p. 209. 
1611. f pulcher, Marsh — (1286). fEocaen. Wyoming. 
1612. f altidens, Marsh — (1287). fEocaen. Wyoming. 
285. f Passalacodon, Marsh, 1872. 
Marsh, Amer. Journ. Sc., IV, 1872, p. 208. 
1613. f littoralis, Marsh — (1288). fEocaen. Wyoming. 
