RODENTIA: SCIURIDAE 237 



Type Locality. — Fort Webster (copper mines), on the Gila River, near present 

 site of Santa Rita, Grant County, N. Mex. (See V. Bailey, North Amer. Fauna 

 No. 53 (December 1931), p. 91, Mar. 1, 1932.) Range.— Plateau region of 

 Arizona south of Grand Canyon; western New Mexico; south in Sierra Madre 

 to northwestern Durango; east in New Mexico to Rio Grande Valley; west in 

 Arizona to Hualpai Mountains; north to Grand Canyon and Fort Defiance, Ariz. 

 Zonal range, Upper Sonoran; vertical range, 2,500 feet (Ray, Ariz.) to 10,000 

 feet in Graham Mountains and Santa Catalina Mountains. 



Eutamias dorsalis carminis Goldmanf * 



1938. Eutamias dorsalis carminis Goldman, Proc. Biol. Soc. Washington, 

 vol. 51, p. 56, Mar. 18, 1938. 



Type Locality. — Sierra del Carmen, Coahuila, Mexico. Altitude, 7,400 feet. 

 Range. — Known only from type locality in high mountains of northern Coahuila. 



Eutamias dorsalis utahensis Merriamf * 



1897. Eutamias dorsalis utahensis Merriam, Proc. Biol. Soc. Washington, 

 vol. 11, p. 210, July 1, 1897. 



Type Locality. — Ogden, Weber County, Utah. Range. — Northwestern Ari- 

 zona, north of Grand Canyon; along eastern border of Nevada from Cedar Basin 

 to Mount Moriah (Hall, Mammals of Nevada, p. 349, July 1, 1946) ; Utah; 

 north to juniper-covered hills east of Raft River Valley in southern Idaho; south- 

 western Wyoming (Green River Valley) and northwestern Colorado (Snake 

 River Valley). Zonal range, Upper Sonoran; vertical range, 3,000 to 7,000 feet 

 altitude. 



Eutamias dorsalis grinnelli Burt 



1931. Eutamias dorsalis grinnelli Burt, Journ. Mamm., vol. 12, No. 3, p. 300, 

 Aug. 24, 1931. 



Type Locality. — Mormon Well, Sheep Mountains, Clark County, Nev. Alti- 

 tude, 6,500 feet. Range. — Among pifions and junipers in northeasternmost town- 

 ship of Nevada southward to Sheep Mountains, and in central part of State 

 westward to Toyabe Mountains (Hall, Mammals of Nevada, p. 348, July 1, 1946) . 



Genus SCIURUS Linnaeus (squirrels) 

 1758. Sciurus Linnaeus, Systema naturae, ed. 10, vol. 1, p. 63. (Type, 

 Sciurus vulgaris Linnaeus.) 



Subgenus NEOSCIURUS *> Trouessart 



1880. Neosciurus Trouessart, Le Naturaliste, vol. 2, No. 37, p. 292, October 



1880. (Type, Sciurus carolinensis Gmelin.) 

 1880. Echinosciurus Trouessart, Le Naturaliste, vol. 2, No. 37, p. 292, October 



1880. (Type, Sciurus hypopyrrhus Wagler= Sciurus aureogaster hypo- 



pyrrhus.) 

 1899. Baiosciurus Nelson, Proc. Washington Acad. Sci., vol. 1, p. 31, May 9, 



1899. (Type, Sciurus deppei Peters.) 



5 Revised by Nelson under ihe names Echinosciurus, Neosciurus, and Baiosciurus, Proc. 

 Washington Acad. Sci., vol. 1, pp. 38-83, May 9, 1899. 



