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MONOGRAPHS OP NORTH AMERICAN llODRNTIA. 



SYNOPSIS OF THE SPECIES AND VAKIETIE8 OF TAMIA8. 



I. Premolars \ : 



1. Doreal surface with two white stripes and fire black ones; mmp rnfons; tail (with the hairs) three- 



fourths of the leugth of the head and liody stiiiatii8, 



II. Premolars f : 



2. Dorsal surface witli four white (or grayish-white) stripes and five black ones; rump grayish; tail 



(with the hairs) eijual to the head and body asuticun. 



a. Sides of body fulvous; dorsal stripes distinct, the white ones more or less mixed with grayish, 



the dark ones black var. borcalu. 



b. Sides of body bright rusty or golden ; white of the dorsal stripes purer; the dark stripes strong, 



varying from dark chestnut to black var. quadrivittaiua. 



c. Merely a faint wash of fulvous on the sides of the body ; the dark stripes of the dorsal surface 



very pale chestnut or dark brown rather than black ; rump and nai>e pale whitish-gray ; 

 size small var. jjal/idNs. 



d. Colors everywhere nalo ; the dorsal stripes obsolete, or nearly so, the medial only being very 



prominent var. iforsalis. 



e. General color above dull yellowish-brown ; the light stripes scarcely lighter than the general 



color of the dorsal surface; the dark stripes black and strong; size large var. (oivsMsdi. 



3. Above gray, with two broad stripes of white; sides reddish-gray; tail (with the hairs) rather more 



than half the length of the head and body, with the central portion white bene«th ; eaia 

 small HARRIBI. 



4. Above gray, with two white stripes, each bordered on both sides with black, the outer black stripe 



much broader than the inner; tail (with the hdirs) about one-half the length of the head 

 and body latkiialih. 



Tamuis as above defined includes four species, one of which runs into 

 several localized races, or subspecies. All are represented in North America; 

 three of the species (7. striatus, T. harrisi, and T. lateralis) are not found 

 elsewhere, while the fourth (1'^. tmaticus), in some of its forms, ranges over 

 not only the western half of North America, but over a large portion of 

 Northern Asia and Eastern Europe. 



TAMIAS STRIATUS (Linn.) Baird. 

 Striped Squirrel ; Common Cblpmunk. 



Sciurut itrialut Catemby, Carol, il, I7:tl, 75, pi. Ixxv. — LINN.EU8, Mus. Adqlph. Frid. Regis, i, 1754, 8 

 (based wholly on an American specimen; cites only Cutesby and Edwards); Syst. Nat. i, 

 1758, 64 (same as the piecedlng) ; ib. 1706, 87 (almost wholly, bat includes references to tbe 

 Siberian animal). — Sciikkukii, Siinget. iv, 1791,791 (in part; " U. I'm amerikanitcke" and its 

 synonyms only).— Kbxlkukn, Syst. Keg. Anim. 1777, 42fi (refers almost exclu.ively to the 

 American " Ground " Squirrel of the Eastern United States).— Desmahest, Mara. 1»*K, 331) 

 (In part).— Ha' ••■, I'auii. Amer. IttS, 183 (in part).— Oodman, 11, ISiiti, U'2. — E.mm<)nb, 

 Quod. Mass, 1« ' , . .—Thompson, Hist. Veruiont, 1848, 46.— De Kay, New York ZrOI. 1, 184*, 

 O-i, pi. xvl, „ 4. 



Myoxui itriatiit Bodvmkt, Elenchus Animal, i, 1784, 133. 



iScinnn tlrialut, ft ummcanus Gmklin, Syst Nat. i, 178H, 1.10,— FlscincR, Synop. Mam. 1889, 348. 



Jasiuu amfricana Kliil, Ueitriige rnr Zoologie, 18!M, 68.— Okay, Ann. and Mag. Nat. UisU 3d aer. xz, 

 l«i7, 4;)r. (= T. mrialui BaIrd). 



Sciurut ameri'anui Finciikii, Synop. 1839, 349 (= T. americana Kubl). 



Ictinias itriatuf Uaimd, lllh Ann. Kep. Smiths. Inst. 1857, 55, foot-note ; Ham. N. Amer. 1857, 399, pi. zlv', 

 tig. 3.- Kennicott, Rep. U. 8. Pot. Off. Agric. for 1856 (1857), 7(1, pi. viii.— Thomas, Trans 

 III. State Agr. Soc. iv, 186(), 6.'>7.— O11.PI.N, Trans. Nova Scotia Inst. Nat. 8cl. ii, pt. 3, 1H70, 15 

 (Nova Scotia}.— Ali.en, Hull. Mus. Comp. Zolil. i, 1869, 335; Pmc. Bost. Soc. Nat. Hist, xvi, 

 1874, 189. 



