TYPE-SPECTMENS OF FOSSIL VERTEBRATES. 21 



114. Aceratherium occidentale (Leidy). Type. 



Lrcidy, Proc. Acad. Nat. vSci. Phila., 1851, p. 331. 



= C8enopus occidentalis. 

 See Rhinoceros occidentalis. 



523. .^lurodon ferox Leidy. Type. 



Upper sectorial. Loup Fork (Upper Miocene). Niobrara 

 River, Nebraska. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1858, p. 22; Jouni. Acad. Nat. 

 Sci. Phila. (2), VII, 1869, pp. 68, 367, pi. i, figs. 13, 14. 



=:-^lurodon saevus. 



127. iElurodon haydeni (Leidy). See Canis (Epicyon) haydeui. 



523. ./Elurodon saevus (Leidy). See ^lurodon ferox and Canis 



128. saevus. 



2040. iElurodcn ursinus (Cope). See Canis ursinus. 



2137. Allacodon fortis Marsh. Type. 



Upper premolar. Laramie (Cretaceous). Wyoming. 

 Marsh, Amer. Journ. Sci. (3), XL,III, 1892, p. 255, pi. 7, fig. 4. 



2138. Allacodon pumilis Marsh. Type. 



Three upper teeth. Ceratops beds (Cretaceous). Wyoming. 



Marsh, Amer. Journ. Sci. (3), XXXVIII, 1889, p. 179; XLIII, 1892, 

 P- 255. Pl- 7, fig- 3- 

 2144. Allacodon rarus Marsh. Type. 



Upper molar. Cretaceous. Wyoming. 



Marsh, Amer. Journ. vSci. (3), Xlylll, 1892, p. 256, pl. 7, fig. 5. 



2679. Allodon fortis Marsh. Paratypes. 



2680. (i) Lower incisor; (2) left upper maxillary containing 



three premolars associated with fragments of .skull. 

 Morrison (Jurassic). Como Bluffs, Wyoming. 



Marsh, Amer. Journ. Sci. (3), XXXIII, 1887, p. 331, pl. 7, (i) 

 figs. 14, 15; (2) figs. 11-13. 



2681. Allodon laticeps Marsh. Plesiotj'pes. 



2682. (i j Upper jaw containing m' and three premolars; (2) left 



upper jaw with last premolar and two molars. Mor- 

 rison (Jurassic). Como, Wyoming. 



Marsh, Amer. Journ. Sci. (3), XXXIII, 1887, p. 331, pl. 7, (i) 

 figs. 5, 6; (2) figs. 3, 4. 



4289. Allops crassicornis Marsh. Type. 



Skull. White River (OHgocene). South Dakota. 



Marsh, Amer. Journ. Sci. (3), XLII, 1891, p. 268.— Osborn, Bull. 

 Amer. Mus. Nat. Hist., XVI, 1902, p. 102. 



— Titanotherium crassicornis. 



4251. Allops serotinus Marsh. Type. 



Skull. White River (OHgocene). Bad Lands, South 

 Dakota. 



Marsh, Amer. Journ. Sci. (3), XXXIV, 1887, p. 331. — Osborn, 

 Bull. Amer. Mus. Nat. Hist., XVI, 1902, p. 102. 



= Titanotherium serotinum. 



