112 SCIURUS. 
Fic. 18. SciuRUS (OTOSCIURUS) DURANGI. 
No. 94548 U. S. Nat. Mus. Coll. Nat. size. 
79. durangi (Sciurus), Thomas, Ann. Mag. Nat. Hist., 6th Ser., x1, 
1893, p. 49. 
abertt Thos., Proc. Zodl. Soc., 1882, p. 
DURANGO SQUIRREL. 
372. (nec Woodhouse.) 
Type locality. Ciudad Ranch (100 miles west of Durango City), 
State of Durango, Mexico. 
Geogr. Distr. Sierra Madre, west part of States of Durango and 
Chihuahua, Mexico. 
Genl. Char. Similar to S. abertt, but less red on back; tail 
beneath uniform grizzled gray; dorsal stripe not reaching base of tail. 
Color. Above gray with chestnut dorsal stripe from shoulders to 
rump; flanks and outside of hind legs grizzled gray; outside of fore 
legs paler gray; lateral black line ill defined; orbital ring brownish 
white; ear gray, tufts black; under parts white, base of tail like back, 
remainder above black washed with white, beneath grizzled gray, 
