CARNJVORA. 



75' 



Almost all have well-developed claws; there are never 

 fewer than four toes. The teeth are always rooted, except 

 in the case of the tusks of the walrus ; the canines are 



o.c. 



Pmx. 



FIG. 372. Lower surface of dog's skull. 



o.c., Occipital condyle; B.O., basioccipital ; T., tympanic bulla 

 m.c., postglenoid process behind fossa for condyle of mandible 

 B.S., basisphenoid ; P.S., base of presphenoid ; V., vomer 

 J/.2, second molar; J/.i, first molar; Pvt.i-4, premolars, the 

 4th the large carnassial ; c., canine; /. 1-3, incisors; Pmx. 

 premaxilla; tn.v., maxilla; Pal., palatine; /., jugal ; A.S. 

 alisphenoid; Pt., pterygoid ; Sq., squamosal (the reference line 

 points to the glenoid cavity). 



strong and sharp; some of the back teeth are generally 

 sharp, and specially adapted for cutting. 



There are generally strong occipital and sagittal crests for 



