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MiilHlli 



892 MONOGRAPHS OF NORTH AMERICAN RODBNTIA. 



CYNOMYS LUDOVICIANUS (Ord) Baird. 

 MlHSOurl Barking Squirrel; Missouri "Pralrlo Dog", 



Arctomyt ludoriciavua "OliD, Ontlirie'H Oeo|]r. 2<1 Am. cil. ii, 1815, !293, 303."— Say, Long's Ezped. Ry. Hte. 

 i, 1823, 451 (description), 4i)8 (villnges).— Harlan, Faun. Aiu. 1825, 100.— Godman, Am. Not. 

 Hist, il, 1820, 114.-H. Smith, Grimth's Cnvior's An. King, iii, 1827, 198 (with un original 

 bnt very iirroneoiis figmu from L«!wis luul Clarlie's specimen) ; v, 18a7, 247. — Pkince Max., 

 Ecise in d. in. Nord-Anier. i, 1839, 3fi5.— Wagnkii, Soppl. Sclircbcr'g Siiugot. iii, 1843, 861. — 

 BciliNZ, 8yn. Mnni. ii, 1845, 64.— STANsnunY, Salt Lake Expeil. 1852, 37. 



Spermophitm ludovicianut Lkkkon, Man. dii Mum. 1827, 244,— " F. Cuviek, Snppl. Bnffon's Hist. Nat. i, 

 Mumm. 1H31, 31(>."— AumiBON*. Hachman, Quad. N. Am. ii, 1«>1, 319, pi. xcix.— Maucy, 

 Ked Kiver Exped. 185!!, 4(i.— WoonilousK, Sitgreavcs's Expl. ZuiSi and Colorado Rivers, 1853, 

 52.— Kknnicott, U. 8. Pat. Off. Rep. Agricnl. 1H5G (1857), 81, pi. ix. 



Cynomut ludonicianuK Baikd, Mam. N. Am. 18.'>7, 331, pi. xlvii (sltull and dentition); U. B. and Mox. 

 Bound. Surv. ii, 1859, pt. iii, .39.— Sucki.ey, jNat. Hist. Wusb. Ter. pt. iii, 1859, St9, 123.— 

 Thomas, Trans. Iii. State Agr. Boo. iv, 18f>0, (!57 (Illinois[f]).— Maximilian, Arch. f. Natur- 

 gesch. 1861, 88.— Hayben, Trans. Am. Phil. Soc. Philo. xii, 1863, 145.— Stevenson, Hayden's 

 Rep. U. S. Guol. Surv. Wyom. 1671, 402.— Allen, Bull. Essex Institute, vi, 1B74, 49 (bio- 

 graphical); Proc. Bost. Soc. Nat. Hist, xvi, 1874, 294; xvii, 1874, 43.— Guinnrll, Ludlow's 

 Rec. Black Hills of Dakota, 1875, 82. — Merhill, Forest and Stream, vi, 1876, 369 (habits). — 

 "Plume del Rosa", ib. vii, 1876, 52 (domestication). 



Cynomyt Bocialii Kapinesqu'?, Am. Month. Mag. ii, 1817, 45 (= " Barking Squirrel ", Lewis and Clarke). 



Cynomyii grisea Uafinksciuk, Am. Mouth. Mag. ii, 1817, 45 (= " Petit Chieu ", Luvris and Clarke). 



Arclomyt griteus Fischeii, Syn. Mam. 1829, 345 (from Rafinesquo). 



ArcUmya mimiurieiins Warden, Descrip. fitats-Unis, v, 1820, 627 (= " Wishtonwish ", Pike).— Desmaiiest, 

 Mam. 1822, 329 (from Warden). 



Jrclomys latrana Harlan, Fanii. Araer. 1825 306 (= " Barking Sqnirrol", Lewis and Clarke). — Fischer, 

 Syn. Mam. 1829, 345 (from Harlan). 



T'etit Chien, Lewis & Clarke, Travels, Ist Am. ed. i, 1815, 68. 



Prairie Dog, Lewis & Clarke, Travels, i, 1815, C7.— Kendall, Nar. Santa T6 Exped. i, 1844, 183.— Greog, 

 Commerce of the Prairies, ii, 1845, 228. 



Barking Squirrel, Lewis &, Clarke, Travels, 1st. Am. ed. ii, 1815, 175 ; 4to Lend. ed. 1615, 460 ; 8vo Lond. 

 ed. iii, 1815, 38. 



IfufifoHioixA, or /'rairie 59UinW, PiKK, Travels, 1810, 156, 180. •>.'-..-•;.> i i.v 



Jfarm«((« du WiMOKri, Warden, 1. 0. \ ' ^ 



jMiieitttia Marmot, Si' I.e. t-' .*^' '; 



Prairie Marmot, Ood.man, I.e.. - . ; . 



WieUmwiiili, I{iCHARDtK)N, I. c. 



3fiwaur< Prnjrw I^ui;, BAihL>, I. c. > "i ,. >.':;' Ni 



Specific chars. — Length of head and body 11.50 to 12.50, ranging 

 from about 11.00 to 13.00; tail to end of vertebrse 3.00 to 4.00; tail to end 

 of hairs 4.00 to 5.00. Above reddish-brown, varied with gray, and with a 

 few hairs wholly l»lack; below yellowish- or brownish-white. Tail short, 

 flattened, basally above like the back, and brownish-black toward the end, the 

 dusky hairs more or less whitish at base. Ears very small, rounded, about 

 one-fifth of an inch high. Olaws long and strong, but little curved ; that 

 ot tlie thumb well developed. The character of the pelage varies consider- 

 ably with tht season, being much finer and sotler in winter than in summer. 



In specimens taken in June and July, the pelage is quite short, some- 



