Feb., 191 2. Mammals of Illinois and Wisconsin — Cory. 135 



Genus EUTAMIAS Trouessart. 



Eutamias Trouessart, Catal. Mamm. Viv. et Foss., Bull. Soc. Etudes 



Angers, X, 1880, p. 86. Type Sciurus striatus asiaticus Gmelin. 



The members of this genus differ from those belonging to Tamias 



in being smaller, the back stripes narrower and closer, and the tail 



relatively longer; there are also two additional premolars. 



Dental formula: I. - — ^, C. ^—^, Pm. ^~^, M. ^-^= 22. 

 i-i 0-0 i-i 3-3 



Eutamias borealis neglectus (Allen). 

 Little Chipmunk. 



Tamias quadrivittatus neglectus Allen, Bull. Amer. Mus. Nat. Hist., Ill, 1890, p. 

 106. Miller, Proc. Bost. Soc. Nat. Hist., XXVHI, 1897, p. 31 (North Bay 

 and north shore of Lake Superior, Ontario). 



Tamias asiaticus var. quadrivittatus Herrick, Geol. & Nat. Hist. Surv. Minn., Bull. 

 No. 7, 1892, p. 162 (Minnesota). 



Tamias quadrivittatus Strong, Geol. Wis., Surv. 1873-79, I. 1883, p. 440 (Wis- 

 consin). Barrett, Amer. Nat., VH, 1873, p. 695. 



Eutamias quadrivittatus neglectus Jackson, Bull. Wis. Nat. Hist. Soc, VI, 1908, p. 

 17 (Wisconsin). Adams, Rept. State Board Geol. Surv. Mich., 1905 (1906), 

 p. 128 (Michigan). Seton, Life Histories of Northern Animals, I, 1909, p. 364. 



Eutamias borealis neglectus Hollister, Bull. Wis. Nat. Hist. Soc, VI, 1908, p. 139 

 (Wisconsin). 



Type locality — Eastern shore of Lake Superior, Ontario, Canada. 



Distribution — Ranges from northern Wisconsin, northern Michigan 

 and central Minnesota northward into Canada, throughout the 

 greater part of Ontario and Keewatin to about latitude 55°; replaced 

 from Manitoba and North Dakota westward by Eutamias borealis. 



Special characters — Smaller than the common Chipmunk, and stripes 

 narrower, tail relatively longer; cheek stripes whitish. 



Description — A whitish stripe above and below the eye ; back with 

 five black stripes and four pale stripes, the outer pale stripes being 

 distinctly whitish, the inner pale ones grayish; the middle black 

 stripe extends from between the eyes to base of tail; sides of 

 body orange brown or tawny; hairs on under parts tipped with 

 white but plumbeous at base, giving a grayish white appearance 

 to the fur; tail pale rufous brown, the hairs subterminally marked 

 with black and tipped with pale rufous brown or tawny brown. 



Measurements — Total length, about 8.50 in. (216 mm.); tail vertebrae, 

 3.75 in. (91 mm.); hind foot, 1.25 in. (31.8 mm.). Extremes of 20 



