OF THE PENINSULAR REGION. 37 



Suborder ARTIODACTYLA. 

 (Even-toed Ungulates). 



Key to the Families. 



A. No upper incisors. Euminant. 



a. Horns present in males, sometimes in females. 



a Horns permament, a horny sheath on a bony 



core, unbranched ••• ... BOVID^:. 



b l Horns deciduous, of solid bone, branched CERVID^E. 



b. No horns. Size of animal very small ••• Tragulid^E. 



B. Upper incisors present. Non -ruminant ••• SUID.E. 



Family BOYIBM. 



(Hollow-horned Ruminants). 



Key to the Species. 



A. Size large. Horns inserted far apart and growing 



outwards from sides of head ••• ••• Bos. 



B. Size moderate. Horns inserted near together and 



growing upwards from forehead ••• NEMORILEDUS. 



Genus Bos. 



The wild cattle and the buffalo are large strongly-built 

 animals with naked muzzles and tufted tails and frequently with 

 large dewlaps. There is no excessive difference in size between 

 the horns of the sexes. 



Key to the Species. 



A. Horns round or oval in section. 



a. No distinct dewlap, withers ending abruptly ; skull 

 convex between the horns, forehead deeply 

 concave B. GAURUS HUBBACKI. 



R. A. Soc, No. 53. 1909- 



