24 UNGULATA. 



33672. The hinder part of the palate, containing the three true 

 molars on both sides, and pm. 4 on the left side ; from 

 the Pleistocene of the Narbada Valley, India. This speci- 

 men is the type, and is noticed by Riitimeyer in the pas- 

 sage cited. Presented by C. Fraser, Esq. Before 1843. 



Bos (?), sp. 

 Hab. England. 



45989. A right upper true molar of a bovine animal ; from the Red 

 Crag of Felixstow, Suffolk. Purchased, 1874. 



Genus BISON, Hamilton Smith 1 . 

 BtSoii fconatfua (Linn. 2 ). 



Syn. Bos bonasus, Linn. 3 

 Bison eitropeeus, Auct. 



Hab. Europe and (Pleistocene) Arctic America. 



Var. prisons (Bojanus 4 ). 



Syn. Urus prisctts, Bojanus 5 . 

 Bison priscus, Auct. 



In the typical forms of this race the horns are larger and less 

 curved than in the living Aurochs ; but the fossil specimens in the 

 Museum seem to indicate a complete transition in this respect, and 

 some of them cannot be distinguished from the living race. 



45392. The calvarium and horn-cores of a very large bull; from the 

 Pleistocene of Ilford, Essex. The width of the frontals 

 between the horn-cores is 0,375, the length of the left 

 horn-core 0,375, and its greatest diameter 0,140. 



Brady Collection. Purchased, 1878. 



45849. Calvarium and horn-cores ; from the Pleistocene of Erith, 

 Kent. Purchased, 1878. 



M. 2243. Calvarium and horn-cores ; from a Pleistocene deposit, 

 locality unknown. This specimen is also No. 1 of the ' Old 

 Catalogue.' Sloane Collection. 



1 In Griffith's ' Animal Kingdom,' TO!.T. p. 373 (1827). 



2 Syst. Nat. ed. 12, vol. i. p. 99 (1766), Bos. 



3 Loc. cit. 



* Nora Acta Ac. Caes. Leop.-Car. vol. xiii. pt. 2, p. 427 (1827). Urus. 

 5 Loc. cit. 



