MAMMALS—CARNIVORA. 79 
B. DIGITIGRADE. All the feet with five toes. 
Viverridae. 
C. PLANTIGRADE. All the feet with five toes. 
Mustelidae. 
Ursidae. 
Many systematic writers divide the Rapacia into three sub-orders: Jnsectivora, Carnivora, and 
Omnivora ; the latter constituted by the family of Ursiaae. Although in some respects this 
arrangement may be preferable, yet for my present purposes the one adopted above has the 
advantage of greater simplicity. 
