'290 



CABNIVORA 



runs to extremity of each postorbital process, the hinder margin 

 of which it forms ; occiput when viewed from behind moderately 

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

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

 paroccipital processes, and condyles extending to about the same 



via. 62. 

 XTrsus arctos. X J. 



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

 raised edges applied to inner surface of bullae, 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 



