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



Subfamily 1. Melin^. 



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

 retractile, blunt, those of manus generally elongated. Dentition 

 sectorial or not so. Habits mostly terrestrial and fossorial. 



Meles. Mephitis. Mellivora. 



Arctonyx. Conepatus. Helictis. 



Taxidea. Iclonyx. 



Mydaus. 



Subfamily 2. Mustei,in.«. 

 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, 



Guh. 



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. Melursiis. 



Generic Characters. 

 Procyonin^e. 

 — — sectorial : Bassaris. 



r Tail prehensile Cercoleptes. 



P. 4 ^ ^ ., ^Aproboscis Nasua. 



'Postorbital pro- 

 cesses elongated. 

 Body long Bassaricyon. 



— not sectorial ^^j^ ^^^ ^^^^^^_ 

 [ sile \ 



^ No proboscis - 



Postorbital pro- 

 cesses short. 

 ^ Body short Procyon. 



AlLURIN^. 



M. K Ailunis. 



M. - Ailuropns. 



