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MONOORArUS OF NOKTD AMERICAN HODENTIA. 



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Arclomyt hootii Sabink, Trnnn. Linn. S()«. xlii, 18«, MK), pi. xxlx ; Frnnklln'n Junninl, lrt23,C6n (Carlton 

 Huuso).— ri.sciiKii, Bynop. Man). IdiW, M4 (from Hubine).— Waunbii, Hcbralwt'ii Sttagel, pL 



CCXC (lltllllO <>u plutKj. " ' '. 1 



Arclomyn (Spcrmophiliu) hoodi RiciunnsfiN, Faun. Bor.-Amer. 1, 1889, 177, pi. xlv. ' ^ ' 



S])irmophilHt hoodi "F. CuviKR, Siippl. Biifiun, i, Mamm. 13.11, 337".— Maximilian, Roliin in d. innere 



Nonl-Amur. I, IbSO, 44»j Aroli. f. Nutiirgescli. IHCl, S4.— Waoner, Siippl. Sohnibort SUiigot. 



ill, 1S43, S.'tl.— Brandt, Dull. Pbyoico-math. Cloaso Acad. St. P<St«nb. ii, m44, 370.— ScillM/, 



B.vn. Mam. 11, 1845, 09.— OlGOrx, 8ua){et. 1856, C3G. 

 Fcdrrnlion Squirrel, MiTCHiM,, ). o. . ^ 



Leopard Ground Sqaiiret. ^rmx>LCRAFT, Travels, 1821, 331 (name iu ioaoz). 



l^iireiiildela F^dre.iion,T)r.aM\RKST,\.e. . 



Slrl/xd American i'armol, 8AtUiiK,\.o. 



Striped and SpolUd Ground Sqnirrel, Say, Long'H Ex|)ed. il, 1823, 174 — KsNMIOoTr, !.«. 



Si>fnnopliile royrf, F. Cuvier, HIit. des Hamm. llvr. xlvl, 1884. i 



7/o<Ki'« Marmot, Oodman, I.e. . . 



iwywrd Jfarmof, RiciiAiinsoN, 1. 0. .■■:■>. |.... ■••'rj ' .,,::..- 



/)<T Ifo;)ar*ii-Zi«!«!f, Waonkr, 1. 0. ' ■ 



ijfl/Kird-SpcrmojjAi/r, AuuunoN & Baciiman, 1. 0. ... ^ 



Striped Gopher, or Prairie Ground Squirrel, Hoy, L c. s.t,;.,».!.<. \.. j -^ T',' ■ > , 



S/ri/wd Prairio SjttiiTfl, Baird, 1. 0. .... i. 



Var. PALLIDUS. 



Pile Striped Spermophlle. 



!lperm<^ltil»t tridecemlincaluM Woouiioiihb, SitgroavoB's Znni and Colurudo River r*ped. 1853, 53 (Ind- 

 Terr.).— BairI), Mani. N. Anier. 1857,310 (iu part).— Sucklbv, N»t. H''t. V'a»b. Terr. pt. 

 iii, 1859,98 (in part).— Hayden, Tronit. Amer. Pbil.Soo.l'liilc. \ii, 1801,14 '.—Allen, Bull. 

 Essex I UBtvi, 1874,49,57.— CouKS &, Yarrow, Wboeler'n i:Kpl. W< iit c< 100th Merid. v, 

 Zool. 1875, 120.— OuiNNELL, Ludlow's Black Hills of Dakota, 1875, 82. 



Spcrmophilut Irideeemlineatut var. pallidnt Allkn, Proc. Dost. Hoc. Nat. Hist, rvi, 1874, 291. 



Specific chars. — Length to base of tail 5.50 to 8.50 ; of tail- vertebras 

 2.75 to 4.00 ; of tail to end of hairs 3.75 to 5.50. Above darlc chestnut- 

 brown, varying with locality from pale chestnut-brown through reddish- 

 chestnut to nearly black, with seven nearly uninterrupted lines of yellowish- 

 white, extending from the forehead to the tail, and alternating with six lon- 

 gitudinal rows of subquadrate yellowish-white spots; below yellowish-white, 

 varying to tawny, strongest on the sides ; buttocks more ferrugineous ; eye- 

 ring yellowish-white ; upper surface of muzzle gray, sides and front yellow- 

 ish ; tail narrow, black both above and below, varied somewhat witli chestnut, 

 and. whitish-edged. The hairs are reddish-yellow basally, crossed by a broad 

 band of black, and light-tipped. General form slender and Musteline ; ears 

 very small, in the dried skin the auricle being little more than a slightly pro- 

 jecting rim ; tail, with the hairs, generally rather more than half the length 

 of the head and body. 



Var. TBIDECEMLINEATUS. 



Varietal chars. — Length to bjisc of tail 7.25 to 8.50 ; of tail-vertebrsB 

 3.40 to 4.00; of tail to end of hairs 3.40 to 4.''6. Above deep chestnut- 



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