226 U. S. NATIONAL MUSEUM BULLETIN 205 



Oregon; found in Asotin, Columbia, Garfield, and Walla Walla Counties, Wash., 

 and Baker, Union, Umatilla, and Wallowa Counties, Oreg. ; southern limit of 

 range not determined. 



Eutamias amoenus vallicola A. H. Howellf * 



1922. Eutamias amoenus vallicola A. H. Howell, Journ. Mamm., vol. 3, No. 3, 

 p. 179, Aug. 4, 1922. (Validity questioned by Davis, Murrelet, vol. 18, 

 p. 24, Sept. 4, 1937.) 

 Type Locality. — Bass Creek, near Stevensville, Ravalli County, Mont. Alti- 

 tude, 3,725 feet. Range. — Known only from Bitterroot Valley, Mont., and foot- 

 hills on each side. Zonal range, Transition; vertical range, 3,000 to 4,500 feet 

 altitude. 



Eutamias amoenus canicaudus Merriamf * 



1903. Eutamias canicaudus Merriam, Proc. Biol. Soc. Washington, vol. 16, 

 p. 77, May 29, 1903. 



1922. Eutamias amoenus canicaudus A. H. Howell, Journ. Mamm., vol. 3, 

 No. 3, p. 184, Aug. 4, 1922. 



Type Locality. — Spokane, Spokane County, Wash. Range. — West side of 

 Kootenay River (Cranbrook and opposite Newgate) in southeastern British Co- 

 lumbia where it intergrades with luteiventris (Cowan, Proc. Biol. Soc. Washing- 

 ton, vol. 59, p. 109, Oct. 25, 1946) ; eastern Washington east of Columbia River, 

 north to Marcus and south to foothills of Blue Mountains in southeastern part 

 of State; northern Idaho from near Lake Pend Oreille south to Clearwater 

 drainage basin (Davis, The Recent mammals of Idaho, p. 221, Apr. 5, 1939) ; 

 and east to Clark Fork of Columbia River in northwestern Montana (opposite 

 Thompson Falls). 



Eutamias amoenus affinis (J. A. Allen) * 



1890. Tamias quadrivittatus affinis J. A. Allen, Bull. Amer. Mus. Nat. Hist., 

 vol. 3, p. 103, June 1890. 



1922. Eutamias amoenus affinis A. H. Howell, Journ. Mamm., vol. 3, No. 3, 

 p. 184, Aug. 4, 1922. 



Type Locality. — Ashcroft, British Columbia, Canada. Range. — Interior of 

 southern British Columbia, north to Clinton, Kamloops and Salmon Arm, and 

 east to Okanagan Lake and Midway (Cowan, Proc. Biol. Soc. Washington, vol. 59, 

 p. 109, Oct. 25, 1946) ; west to Lillooet, British Columbia; south through eastern 

 slopes of Cascade Range in Washington to Columbia River and east to eastern 

 Okanogan County. Intergradation between affinis and luteiventris takes place 

 in region of Monashee Range on eastern side of Okanagan Valley (Cowan, op. 

 cit., p. 108). Zonal range, Transition; vertical range, 1,000 feet (Oroville, 

 Wash.) to 6,500 feet (Okanogan County, Wash.). 



Eutamias amoenus septentrionalis Cowan* 



1946. Eutamias amoenus septentrionalis Cowan, Proc. Biol. Soc. Washington, 

 vol. 59, p. 110, Oct. 25, 1946. 



Type locality. — Ootsa Lake Post Office, north shore of Ootsa Lake, British 

 Columbia, Canada. Range. — Great plateau area constituting western Cariboo 

 and Chilcotin Districts, west of Fraser River, in west-central British Columbia; 



