1915.] MARMOTA MONAX GEOUP. 23 



Color. — General tone grayish brown above, with a faint buffj tinge; 

 underfur blackish brown at base succeeded by pallid neutral gray, 

 faintly (rarely strongly) tinged with light ochraceous-bufT, strongest 

 on hinder back; long hairs blackish brown, broadly tipped with white 



Fig. 1.— Distribution of the Marmota monax group. Unshaded areas within the range of the group 

 indicate lack of definite knowledge as to the subspecies occmTing there. 



or buffy white; top of head and face varying from benzo brown to 

 clove brown; sides of nose and borders of lips and chin buffy white; 

 sides of face mixed brown and buffy whit6'; feet and legs black or 

 blackish brown (rarely fuscous or dark chestnut-brown) , the hairs on 

 legs tipped with tawny or hazel; tail blackish brown, sparingly 



