ANTHRACOTHERIID^. 221 



29779. Part of the right ramus of the mandible, containing pm. 4 

 and the three true molars ; from the Hempstead beds of 

 the Isle of Wight. The length of the space occupied by 

 the three true molars is 0,072. 



Hastings Collection. Purchased, 1855. 



29783. Part of the right ramus of the mandible, containing the 

 second and third true molars ; from the Hempstead beds 

 of the Isle of Wight. The length of m^3 is 0,031. 



Hastings Collection. Purchased, 1855. 



29769. Fragment of the left ramus of the mandible, with the third 

 true molar; from the Hempstead beds of the Isle of 

 Wight. Hastings Collection. Purchased, 1855. 



28971. Fragment of the left ramus of the mandible, containing 

 prn 4 and m~T ; from the Hempstead beds of the Isle of 

 Wight. Hastings Collection. Purchased, 1855. 



36974. The fourth right lower milk-molar; from the Hempstead 

 beds of the Isle of Wight. The length of this tooth is 

 0,023, or the same as that of the Eonzon specimen 

 No. M. 1947; and considerably larger than that of 

 H. hovinus, No. 29802. 



Hastings Collection. Purchased, 1848. 



Hyopotamus bovinus, Owen 1 . 



Syn. Bothriodon leptorhynchus, Aymard 2 . 

 Ancodus leptorhynchus, Pomel 3 . 

 Ancodus aymardi, Pomel 4 . 

 Ancodus insignis, Filhol 

 Ancodus macrorhinus, Pomel 6 . 

 Bothriodon velaunus, Aymard 7 . 

 Ancodus hovinus, Filhol 8 . 



The synonymy of the continental forms is given on the authority 

 of Filhol, who considers that the form known as H. (A.) aymardi 

 is probably the female of the so-called H. (A.) leptorhynchus. With 



1 Quart. Jburn. Geol. Soc. vol. iv. p. 103 (1848). 



2 Ann. Soc. Agric. Sci. le Puy, vol. xii., 1848 {teste Filhol). 



3 Catalogue Methodique, p. 92 (1853). 



4 Ibid. p. 92. 



6 Not found : quoted in Ann. Sci. Geol. vol. xii. art. 3, with a wrong reference. 



6 Loc. cit. p. 92. 



7 Lcc. cit. {teste Filhol). Regarding this name, see ' Palseontologia Indica, 

 ser. 10, vol. ii. p. 155. 



8 Ann. Sci. Geol. vol. xii. art. 3, p. 189 (1881 ; vol. dated 1882). 



