UESUS (HYiENAECTOS) SIVALENSIS. 327 



surface is deeply indented by a mnscular hollow towards the 

 angle. The dimensions of the fragment are thus : — 



Extreme length of the fragment 10'3 inclies. 



Height of jaw over first false molar ..... 2'5 ,, 



Ditto between the two rear molars 3-0 „ 



Greatest thickness at rear molar ...... 0"9 „ 



We have not yet found out or identified any bones of the 

 trunk or extremities. The species does not appear to have 

 been abundant, as no other specimens of the head or teeth 

 have been discovered, so far as we know, among the immense 

 collections of fossil bones got from the Sewahk hills. 



The dimensions of the cranium, contrasted with some of 

 the measurements of the Ursus spelceus for comparison, are 

 thus : — 



To conclude. It follows, that there existed along with the 

 Mastodon, Sivatherium, fossil Camel, &c., of the Sewalik 

 deposits, a large distinct species of Bear, equalling if not 

 exceeding the largest known of the genus. Its teeth de- 

 viated widely from the type of the genus, approximating it 

 more to the higher Carnivora than to any other species ; the 

 carnassier teeth of the upper jaw connecting it with the 

 Hysena, while the tuberculars have a more remote analogy 

 with those of the Dog. The size and extent of the temporal 

 fossse, and the prominence of the sagittal crest, taken in 

 conjunction with the teeth, show that it had a more strictly 

 carnivorous than a frugiverous habit. 



We have designated it Ursus Sivalensis. 



' These two measurements are in- 

 complete in the fossil, from the mutila- 

 tion at the occiput. The first or extreme 



length is 17 inches, or ^434 mfetre, the 

 second 7"7 inches or ^197 m&tre. 



