(56(5 Ancliippodus, Tillotherium, Notostylops, Anastylops 
Familia II. fTillothericlae. 
763. t Anchippodus, Leidy, 1869. 
Trogosus, Leidy; Falaeosyo-ps, p., Marsh, 1871. 
4092. t riparius, Leidv, Ext. Mam. Fauna Dak. et jEocaen. Wyoming- 
Nebr., 1869, p. 403, pl. 30, lig.45, 46r (New-Jersey). 
Contr. Ext. Vert. Fauna, 1873, p. 71, pl. 5, 
fig. 1—3. 
castoridervi, Leidy, 1. c., I869, 1873. » 
viinoT, p., Marsh, Amer. J ourn. Sc., 1871, » 
p. 36, pl. 9, fig. 5. 
4093. t vetulus, Leidy, Contr. Ext. Vert. Fauna, fEocaen. M^yoming. 
1873, p. 75, pl. 6, fig. 43. 
764. fTillotherium, Marsh, 1873. 
4094. f hyracoides, Marsh. Amer. .lourn. Sc., 1873, jEocaen. Wyoming. 
V, p.485; 1875, IX, p. 221. 
4095. tfodiens, Marsh, Amer. Journ,, 1876, fEocaen. Wyoming. 
p. 241; 1876, XI, pl. 8 et 9. 
4096. tlatidens, Marsh, Amer. Journ., 1874, VII, fEocaen. Wyoming. 
p. 633; 1876, XI, pl. 9, fig. 4. 
Familia IIL f NotostylopidaB. 
1897. - - Ameghino, Mamniiferes Cretaces de V Argentine, Bol. Inst. Geogr. 
Argent., XVIII, 1897. 
765. t Notostylops, Amegh., 1897. 
4097. f murinus, Am., Bol. Inst. Geogr. Arg., f Cretae. Patagonia. 
1897, sep., p. 84, fig. 67, 68, 69, 70. 
4098. tbicinctus, Am., Bol. Inst. Geogr. Arg., f Cretae. Patagonia. 
1897, p. 86. 
4099. f parvus, Am., Bol. Inst. Geogr. Arg., 1897, f Cretae. Patagonia. 
p. 86. 
766. t Anastylops, Amegh., 
4100. t vallatus, Am., Bol. Inst. Geogr. Arg., 1897, 
p. 86. 
1897. I 
I 
f Cretae. Patagonia., 
I 
