290 



CARNIVORA 



runs to extremity of each postorbital process, the hinder margin 

 of which it forms ; occiput wlien viewed from behind moderately 

 broad, the depth from himbda to lower lip of foramen magnum 

 contained If to 1 1 times in mastoid breadth ; mastoid processes, 

 paroccipital processes, and condyles extending to about the same 



Fig. 52. 

 Ursns arctos. x h 



level. Floor of brain-case nearly flat, the basioccipital with 

 raised edges applied to inner surface of bulla?, and in some 

 specimens marked by an evident concavity on each side of median 

 line ; auditory bulla flat, not rising above edge of basioccipital, the 

 greatest longitudinal diameter less than transverse diameter, the 



