394 DR. ST. G. MIVART ON THE ARCTOIDEA. [Apr. 21, 



Subfamily 1. Melin.e. 



Kidneys simple. Feet elongated. Toes straight. Claws non- 



••etractile, blunt, those of manus generally elongated. Dentition 



sectorial or not so. Habits mostly terrestrial and fossorial. 



Meles. Mephitis. Mellivora. 



Arctonyx. Conepalus. Ilelictis. 



Tax idea. let onyx. 



Mytfaus. 



Subfamily 2. Mustelin.e. 

 Kidneys simple. Feet short, partially webbed. Claws short, 

 curved, often semi-retractile. Dentition sectorial. ^— wide trans- 

 versely. Habits terrestrial or arboreal. 



Galictis. Mustela. 



Grisonia. Putorius. 



Gtilo. 



Subfamily 3. Lutrin^. 



Kidneys conglomerate. Feet short and rounded (except hind 



feet of Enhydra). Toes webbed. Claws small, curved, blunt. 



Head broad. Molars large and quadrate. -^ long as well as 

 wide. Habits aquatic. 



Lutra. Aonyx. Enhydra. 



Fam. III. URSID^. 



Kidneys conglomerate. True molars g, longer than broad. Den- 

 tition not sectorial. An alispheaoid canal. Feet completely plan- 

 tigrade. 



Ursus. Melursus. 



Generic Characters. 

 Procyonin^. 



P 4 



-^— sectorial : Bassaris. 



—^— not sectorial 



(" Tail prehensile Cercoleptes. 



f A proboscis Nasua. 



/Post orbital pro- 



1 Tail not prehen- 

 L sile - 



^ No proboscis i 



cesses elongated. 



Body long Bassaricyon. 



