130 Merriam Two New Squirrels. 



parts mainly black instead of white, and tail mainly white all over instead of 

 white on under side only. 



Color. "Upperparts from nose to base of tail dark grizzled gray, consider 

 ably darker than in aberti; back with a ferruginous dorsal area extending 

 from shoulders to rump, and sometimes reaching anteriorly to top of head 

 as in aberli; lower sides, upper part of fore legs, and thighs, mainly solid 

 black ; median parts below, from mouth to base of tail, black mixed with 

 gray; ears in summer blackish (in aberti gray), in winter anterior fold gray, 

 tufts black ; tail white, except extreme base, which is gray, and an indis 

 tinct streak along the middle of upper si4e, which is dark buffy gray, 

 ending in a subterminal blackish band ; nose black ; face (including 

 cheeks and sides of nose), fore feet, and toes finely mixed gray and black; 

 hind feet in summer mainly gray, in winter mainly black. 



Sciurus aberti mimus subsp. nov. 



Type from Hall Peak, at south end of Cimarron Mountains, northeastern 

 New Mexico. Adult female, No. 70,908, U. S. National Museum, Biological 

 Survey Collection. January 16, 1895. C. M. Barber. Original No. 61. 



Characters. Similar to S. aberti, but gray of upperparts decidedly paler; 

 red dorsal area usually obsolete or nearly so ; upper side of tail paler ; ear 

 tufts pale fulvous, grizzled and tipped with black (instead of mainly black) ; 

 tail apparently shorter. 



Measurements of type specimen. Length, 485 ; tail vertebrae, 215 ; hind 

 foot, 70. 



