CHCEROPOTAMID-E. 249 



M. 2196. Fragment of the left ramus of the mandihle of a young 

 individual, showing mm. 4, m. 1, and m. 2, in a slightly 

 worn condition ; from the Upper Eocene of Vaucluse. 



Purchased, 1885. 



M. 2197. The fourth left lower milk-molar ; from the Upper Eocene 

 of Vaucluse. Purchased, 1885. 



Genus ELOTHERIUM, Pomel '. 



Syn. Entelodon, Aymard 2 . 



Archceotherium, Leidy 3 . 

 Oltinotherium, Delfortrie *. 



Dentition: I. |, C. {, Pm. |, M. |. There is no third lobe to m73 s , 

 and the premolars are of moderate size, hy which characters the 

 genus is distinguished from Tetraconodon 6 . For E. mortoni see 

 Addenda. 



Elotherium magnum. Pomel 7 . 



Syn. Entelodon magnum, Aymard 8 . 

 Entelodon ronzoni, Aymard 9 . 

 Elotherium uymardi, Pomel 10 . 

 EloHierium ronzoni, Pomel n . 

 Oltinotherium verdeaui, Delfortrie ia . 



Hob. Europe l3 . The "Woodwardian Museum, Cambridge, possesses 

 specimens from the Hempstead beds of the Isle of "Wight. 



29630. Cast of a portion of the right maxilla, showing the seven 

 cheek-teeth. The original is in the Paris Museum, and 

 was obtained from the Lower Miocene of Ronzon, near 



I Bull. Soc. Geol. France, ser. 2, vol. iv. p. 1083 (1847). The usual reference 

 to the Arch. Sci. Phys. Nat. of the same year is not the original one. In the 

 ' Palaeontologia Indica,' ser. 10, vol. iii, p. 99, the writer adopted the name 

 Entelodon, but he now agrees with Flower in taking Elotherium. 



8 Ann. Soc. Agric. Sci. le Puy, vol. xii. p. 240 (1848), teste Filhol. 



3 Proc. Ac. Nat. Sci. Philad. vol. v. p. 92 (1850; vol. dated 1852). 



4 Act. Soc. Linn. Bordeaux, vol. xxix. p. 261 (1873). 



6 The only known Artiodactyle with this feature is the existing Neotragus 

 saldanus. 



6 Fide ' Palseontologia Indica,' ser. 10, vol. i. pi. x. 



7 Loc. tit. s Ibid. 9 Ibid. 

 10 Catalogue M6thodique, p. 89 (1853). 



II Loc. tit. u Loc. tit. 



13 Filhol (Ann. Sci. Geol. vol. xii. art. 3, p. 190) identifies four of Leidy's 

 North- American species with E. magnum, but this is doubtful. 



