26 EUTAMIAS. 



pair of light stripes cream-gray, outer pair white; underparts white; 

 tail beneath, cream color, narrow submarginal band black, hairs on 

 edge tipped with white, above mixed black and white, the hairs being 

 white banded with black; hands and feet grayish white. Ex type in 

 United States National Museum. 



Measurements. Total length, 210; tail, 101; hind foot, 34. Skull: 

 Occipito-nasal length, 32; Hensel, 24.1; zygomatic width, 17.5; inter- 

 temporal width, 6.8; length of nasals, n.i; length of upper molar 

 series, 5.5; length of mandible, 13.5; length of lower molar series, 5.5. 

 Ex type in United States National Museum. 



Eutamias atristriatus Bailey. 



Eutamias atristriatus Bailey, Proc. Biol. Soc. Wash., XXVI, 1913, 

 p. 129. 



Type locality. Penasco Creek, 12 miles east of Cloudcroft, Sacra- 

 mento Mountains, New Mexico. Altitude, 7400 feet. 



Genl. Char. Like E. operarius but larger and darker. Skull nar- 

 rower. 



Color. Top of head grizzled brown and gray; two uppermost 

 facial stripes blackish, lowest dark rufous; stripes between these 

 whitish; sides of throat buff; shoulders grayish washed with buff; 

 sides of neck in front of shoulders and flanks orange ; rump and thighs 

 dark brownish gray; arms buffy gray; underparts and inner sides of 

 limbs buffy white; hands whitish, feet buff; tail above, the hairs 

 deep buff at base, then black and tipped with white; beneath, ochra- 

 ceous with black marginal band, the hairs tipped with ochraceous; 

 ears black anteriorly, white posteriorly. Ex type in United States 

 National Museum. 



Measurements. Total length, 220; tail, 114; hind foot, 32. Skull: 

 Occipito-nasal length, 33.9; Hensel, 26.1; zygomatic width, 18; inter- 

 temporal width, 73; length of nasals, 9.1; palatal length, 14.1; length 

 of upper molar series, 4.7; length of mandible, 24.2; length of lower 

 molar series, 4.9. Ex type in United States National Museum. 



Eutamias cinereicollis cinereus Bailey. 



Eutamias cinereicollis cinereus Bailey, Proc. Biol. Soc. Wash., 

 XXVI, 1913, p. 130. 



Type locality. Copper Canon, Magdalena Mountains, New Mexico. 



Genl. Char. Paler and grayer than cinereicollis. 



Color. Top of head and nose mixed gray; nape, sides of neck and 

 shoulders gray ; face white with three rufous stripes, one bordering top 

 of head, one from ear through eye to upper lip, and one from beneath 

 ear to upper lip; three blackish stripes along middle of back, and a 



