NEOTOMA. 163 



black; feet and under parts creamy white to roots of hair, except 

 on belly where the base of hairs is plumbeous. Tail, grayish brown 

 above, white beneath. 



Mcasuremenls. Total lengtli, 335; tail vertebra', 150; hind foot, 

 33; ear, 25. 



B. Teonoma. 



Tail large, bushy, squirrel-like; hind feet very large, orbital 

 constriction great, rostrum long. 



Fig. 35. Neotoma iTeonoma) cinerea. 

 No. iqoj Field Columbian Musl'uiii Coll. Nat. size. 



Upper tooth row. Lower tooth row 



Enlarged 3 times. Enlarged 3 times. 



226. cinerea. {^^Hs\, Ord, Guth. Geog., 2d ed., 1815, 11, p. 292. 



Type- /I'cd/ity. Near Great Falls, Montana. 



Geoi^r. Dislr. Rocky Mountain region from Utah to Wyoming; 

 east to Black Hills and North Dakota, west of Missouri River; 

 west in southern British Columbia in Cascade Range, and south 

 through the Sierra Nevada to Mt. Whitney in southern California 

 (Merriam). 



Genl. Char. Tail hairy, full; shorter than head and body; pos- 

 terior third of soles furred. 



Color. Above pale j-ellowish brown mixed with dusky; feet and 



