SPILOGALE. GULO. MUSTELA. 333 



Sub. Fam. II. Mustelinae. 



Sectorial of lower jaw followed by a tubercular molar; phalanges 

 bent up, withdrawing claws into sheaths. 



79. Gulo. 



I. 3=l3; C. 5Zli; P. ^^; M. '^ = 38. 



3—3' I— l' 4-4' 2-2 -' 



Qulo. Storr. Prod. Meth. Anim., 1780. Type Wrsns lusciis. Linn. 



Size large, stout, bear-like; legs short, stout; tail siiort, bushy; 

 soles hairy, naked pads six; claws strong, curved, acute. Skull 

 massive, superior outline arched; occipital sloping rapidly; zygomata 

 powerful, widely divergent, high posteriorly; paroccipitals and mas- 

 toids enlarged; bulla? inflated on interior half, laterally elongated 

 into auditory tubes; orbital constriction slight; palate broad, the 

 sides straight; pterygoids stout at base, but terminating in slender 

 hamular processes; lambdoidal crests strong and flaring; sagittal 

 crest in old individuals high, thin. Rostrum short, stout, truncated 

 anteriorly. Lower sectorial without internal cusp; anterior lower 

 premolar with main cusps subequal in size and elevation. 



498. luscus. {Ursiis), Linn. Syst. Nat., 1766, i, p. 71. 



Type locality. Europe. 



Geogr. Disir. Boreal North America from Atlantic to the Pacific 

 Oceans, south to the basin of the Great Salt Lake. 



Genl. Char. Body stout, legs short, tail short, skull massive; 

 characters those of the genus. 



Color. Deep purplish brown or blackish brown; bands of chest- 

 nut brown begin at the shoulders, pass along the sides, and meet on 

 rump at base of tail, enclosing a pale dorsal area; on throat and 

 chest are one or more light spots; a hoary patch on front and sides 

 of head; legs, feet and under parts blackish; claws whitish. 



Mc-asurements. Total length, 865-1080; tail vertebra', 188-235; 

 hind foot, 164-180; ear, 50. 



80. Mustelji. 



L 3il3: c. '='; P. ^; M. i=l = 38. 



3—3' ■— I 4—4 2-2 ■' 



Mustela. Linn. Syst. Nat., 1766, i, p. 66. Type M. lutra. 



Body long and slender; limbs short, digitigrade; tail moderate, 

 bushy; soles furred, pads naked; claws compressed, acute, semi- 

 retractile; lower sectorial usually with small internal cusp; upper car- 

 nassial with one close to anterior edge; orbital constriction considera- 

 ble; superior outline of skull arched; zygomatic arch high posteriorly. 



