SGIUKIDiE— SCIURUS TEPHROGASTEE. 



703 



Table LV. — List of specimens examined of SciURUS iESTUANS var. rufoniger. 



SCIURUS TEPHROGASTER (Gray) Allen. 



Orizaba Squirrel. 



? Macroxus fraseri Gray, Ann. and Slag. Nat. Hist. 3d ser. xx, 1807, 430. 

 Macroxus Uphrorjasler Gray, ib. 431; ib. 4th ser. x, 1872, 408. 

 Macroxus taniurus Gray, ib. 3d ser. xx, 1807, 431. 

 Macroxus middellinensis Gray, ib. 4tU ser. x, 1872, 405 (New Grarj.ada). 



Specific chars. — Size of Sciurus ccstuans var. rufoniger; length of body 

 8.75 (ranging from 8.50 to 9.25); of tail-vertebrae 7.00 to 7.50; of tail to 

 end of hairs 9.00 to 9. GO. Color above, dark olivaceous-brown, minutely varied 

 with yellow or rufous, with the middle of the back darker than the sides, 

 and with less rufous. Beneath, whitish-gray or fulvous, varying in diiferent 

 specimens from nearly pure white to orange, with the basal portion of the hairs 

 dusky; generally grayish below, washed with reddish-fulvous. Tail above, 

 black, washed with white ; below, reddish-brown, ringed with black centrally, 

 with a broad subterminal bar of black, succeeded by whitish tips. The 

 small ear-patch varies from white to gray, fulvous, and even rufous. 



