530 PUTORIUS. 
Gale Wagn., Suppl. Schreb. Saugeth., Suppl., 1, 1841, p. 234. 
Lutreola Wagn. Schreb. Saugeth. Suppl., 1, 1841, p. 239. 
Vison Gray, List Spec. Mamm. Brit. Mus., 1843, p. 64. 
Neogale Gray, Proc. Zo6l. Soc., 1865, p. 114. 
Cynomyonax (sic) Coues, Fur-bear. Anim., 1877, p. 147. 
Size medium to smallest carnivorous mammal (P. rixosus); body 
very slender; legs short; tail long, bushy, or close-haired terminating 
in a pencil; ears large; soles haired; lower sectorial without inner 
cusp; antorbital foramen small; opening over last premolar; ros- 
trum short, vertically truncate; nasals widening from their base ante- 
riorly; bulle flat; zygomatic arch not usually elevated posteriorly. 
Fig. 101. PUTORIUS FRENATUS. 
No. 5462 Field Columbian Mus. Coll. Nat. size. 
A. Arctogale. 
Body slender, attenuate; neck long; ears large; tail slender, terete; 
limbs short; toes separate. Skull: frontal profile arched; moderate 
interorbital constriction; postorbital processes slightly developed; 
pterygoids with or without hamular processes. 
