872 MONOGEAPHS OF NORTH AMEBIOAN EODENTIA. 



imi/a hoodi Sabine, Trans, Linn. Soc. xiii, 1822, 590, pi. xxix : Franklin's Journal, 1823,663 (Carlton 



Bona I i-' her, Synop. Main. 1829, 544 (from Sabine).— Wagner, Schrebor's Saugot. pL 



ccxe (name "ii plate). 

 j,. tomyt (Spermophilus) hoodi Richardson, Faun. I!or.-Amcr. i, 1829, 177, pi. xiv. 

 SpermophUus hoodi "F.CuviER, Suppl. Buffon, i, Mainni. 1331, 337".— Maximilian, Reiso in d. innere 



Nord-Amer. i, 1839, 149; Arch. f. Naturgesch. 1861, B4.— Wagner, Snppl. Schrebor's Siitiget. 



iii, 1843, 251.— Brandt, Bull. Fhysico-matb. Classe Acad. St. Pctersb. ii, 1844, 379.— Schinz, 



Syn. Main, ii, 1845, 69. — Giebel, Siiuget. 1855, 636. 

 Federation Squirrel, Mitch ill, I.e. 



Leopard Ground Squirrel, Schoolcraft, Travels, 1821, 331 (name in indox). 

 1 1 nn mi i{ In Federation, Desmarest, 1. c. 

 Striped American Marmot, Sabine, I. o. 



Striped mid Spotted Ground Squirrel, Say, Long's Exped. ii, 1823, 174.— Kennicott, I.e. 

 SpernwphiU rayf, F. Cuvier, Hist, des Mamm. livr. xlvi, 1824. 

 Hood's Marmot, GoDMAN.l. c. 

 Leopard Marmot, Richardson, I.e. 

 I in- Leoparden-Ziesel, Wagner, I.e. 

 Leopard-Spermophile, Audubon & Bachman, 1. c. 

 Striped Gopher, or Prairie Ground Squirrel, Hoy, 1. c. 

 Striped Prairie Squirrel, Baird, 1. c. 



Var. pallidus. 



Pale Striped Spcrmophilc. 



Spermophilus trideeemlineatus WOODHOUSE, Sitgreaves's ZuSi and Colorado River Exped. 1853, 52 (Ind. 



Terr.).— Baird, Mam. N. Amer. 1857, 316 (in part).— Suckley, Nat. Hist. Wash. Terr. pt. 



iii, 1859,98 (in part).— Hayden, Trans. Amor. Phil. Soc. Fhila.xii, 1863, 147— Allen, Bull. 



Essex Inst, vi, 1874, 49, 57.— Coues & Yarrow, Wheeler's Expl. West of 100th Merid. v, 



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

 Spermophilus trideeemlineatus var. pallidus Allen, Proc. Bost. Soc. Nat. Hist, xri, 1874, 291. 



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

 2.75 to 4.00 ; of tail to end of hairs 3.75 to 5.50. Above dark 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 with 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 tin' head and body. 



Var. tridecemlineatus. 



Varietal chars. — Length to base of tail 7.25 to 8.50; of tail-vertebrae 

 3.40 to 4.00; of tail to end of hairs 3.40 to 4.'5. Above deep chestnut- 



