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Show 250 EXPLORATION OF THE OARONS OF THE COLORADO. c. Smaller on an average; usually six to seven inches long. Fore claws about 0.40 or less, leaving the hand decidedly shorter than the foot. Rich fulvous, or even fawn-color, the same below but paler, variously obscured on the back with dusky ; tail and feet usually dark; face and mouth-parts sooty-blackish, harply contrasting with white pouch-lining. Southern Interior anrl Lower California. ______ . _ _ _ _ c. umbrinus. B. Small; decirlerlly less than six inches long. Hind foot a Lout 0. 7 5 ; fore foot still less. Tail scarcely onefourth as long as the head aurl Lody. Above, pallid yellowish-gray, with a sharlc of light-brown; below, entirely w hitc; feet and tail white. Ears minute, not in a ulackish area. Nose blacki,h. Bridger's Pass, Rocky Mountains- - - - - - - - - - -. - - - . - .... __ .. _ _ 2. CLUSIUS, n. s. TIIOMOMYS TALPOIDES, (Rich.) Baird. Cl'icotus talpoidC8, lliCu., Zool. Journ. iii, App. 1828, 518. (Plumbago-colored.) OeomyB tallJOides, Rrcu .. P. D. A. i, 1829, 204; Rep. Urit. Assoc. for 1836, v, li37, 1G7. (Same n.s tho proc~ lliug,_ but '?'loriuu" assigned wrongly as t\ locnlity.)-DtciLw, N. Y. Fn. 1842, 92. (Complied from Rtcha.r<lson.)-ScruNz, Synop. Ma.tnrn. ii, 1!:!45, 137. (Compiled from Ricbnruson.)- LJ£CONTE, Proc. Acncl. NtLt. Sci. Phila.. vi, 18G2, 162. (Compiled from Richtudson ) Sacoo1Jhorus ta_L110ides, Ftscu., Synop. Mam~~~- 1829, 588 (marked" 388"). (Compiled from Richardson.) · Allcon&yll talpo1dC8, WAO.N., Suppl. Scbrob. Ill, 1843, 391). (Compiled from Richardson.) Pseudostoma lalpoidC8, Auo. & DACII., Q. N. A. iii, 185:J, 4:J, pl. 110. (Corupiletl from Richardson. figt 0 f rom th o t.ype-spcCJ.m on.) ' 1r Gcomys (Thomo~tys) talpoidcs, Omm~L, SU.ug. 1&J5, 530. (Compiled from Ricluudson.) TlwmomyB talJ?OldC8, BAtnD, M._N. A. 1857, 403. {Compiloll ft·om Richardson.) GcomyB bot·oalts, Rrcu., Rep. Bnt. Assoc. for 1_8:16, ':• 1837, 156 .. <Named, not descril>cd. "Snskatcbewau.'')nAcll~., Journ .. Acad; 1 No.t. Set. Pbtla. 1~39, 103. (OI'iginnlly de~:~cribecl from Richn.rdsou's t.;po, CoiL~mbm R., mat·kotl "P8eu.dostoma borealis, Ricb.")-D~tKAY, N. Y. l<'n, 1842, 92. (Comptlcd from Bachmau.)-SClllNZ Synop Mamm ii 184r: 136 (C 'I d f H~tchmnn.) ' · · ' "• · ompt 0 rom .4scomys borealis, WAON., Suppl. Scbrob. iii, 184:.1, 3tH. (Compiled.) Saccophot·us bOt'falis, GnA Y, Lit~t llr. Mu1:1. 18-l:J ' 149 ("Canada·," more mention , wt' tl 1 some wrong syno-nyms).- Munm, P. Z. S. 1870, 80 (at! host of CEsl.rus). Pseudostoma borealis, "Rtcn. MSS."-Auo. & BACH. Q N A iii 1853 19"' 1 142 (D · · • · · · , , o, P . . oscrt ptwn u.ntl flg-uro appnrent.Jy from thu origint\lspocimuns.) Thonwmyr bor~~lis, BAmo~ -~n:mm. N. A. ~857, :396, pl. 22, figs. 2a-e. (Account from types of" borcu.li~:~" u.nd tow_nson?u, m Mus. Pluln. Acnd., with which o. Californian specimen i1:1 oousidurod probably ~deuttcnl.)-N~twn., P. R. R. Rep. vi, 1857, li9 (rests on the Californian specimen ju t mentiOned). 8 COUES ON OEOMYS AND TBOMOMYS-T. TALPOIDES. 251 Goomys townsc11dii, "Rtcn. MSS."-UACIIM., Jouru. Acnd. Nn.t. Sci. Phi ln.. 1839, lOG. (" Columbia R.'' Described 111:1 distinct from "borcali~:~," with much he~:~ltntion, ent ircly in deference to Riohnrd~:~ on.)-RICII., Zool. Voy. Blossom, 1839, p. 12• .-Dr~KAY, N.Y. l!'n. 1842, 92. (Compiled fl'Oill nachman.)-SCJIINZ, Synop. Marnm. ii, 1845, 137. (Compiled.) ..Jscomys townscndii, WAON., Suppl. Scbrob. iii, 1843, :391. 11 Goomys tmisttlcatttB, 0HAY, Ut·. Mus."-OnAY, l. o. ThonurmyB 1'ttfescens, MAXIM., Nov. Act. Aca<l. Cms.-Lcop. xix, pt. l, 1839, 3'i3; Arch. f. Naturg. 1841, pt. ii, 42; ibid. Ll:lol,-; Verz. Sii.ug. N.-Am. Reise, 1862, 149, pl. 4, f. 5 (penis-bouo). (Ju tho ln.st f1Uotu.t.iou, tho gonot·ic nnmo is spoiled '' 'l'omomys.'') (Mi88ouri region.)-ScmNz, Synop. Mamm. ii, 184:>, 134 (cxclut~ivo of tho synonym OryctomyB bottce, Eyd. & Gorv.). (Compiled from Muximilinu; Californiu erroneously ussigncl] as tho loca.lity.)-BAmo, Proc. Aooo. Nat. Sci. Philo.. vii, 185G, 335; M. N. A. 1Flf>7, 397. (Redescription of specimens from "Nobm~:~lm," i.e., Dakota; I•'ort11 Pierro, Rnnuull, und Union.)-DAmo, P.R. R. Rep. x, 1859, Ouuuisou's nml llcckwith'~:~ Routes, Moouu. p. 8, pl. 10, f. 1 (tho snruo).-STEVENSO.N, U. 8. Oeol. Surv. Terr. for 1 iO, 1871, 46:l {Wyoming).-AMES, Dull. Minn. Acnd. i, 1874,70 (cn.to.logncd upon presumption of its oocurnmco in Minnesota).- ALLEN, Proo. Host. Soc. xvii, 1874, 43 ( Ycllow~:~tonn Rivet·); llull. Ess. lost. vi, 1874, 56, 61, 65 (rather supposed than known to be th it~ specie~:~). GeomyB 1'tifesccnB, LtcCoNTt.r., Proc. Acnll. Nat. Sci. Phila. vi, 1852, 161. (Redcscribed from types of "bore-alit~" nud " towusutulii," in Philndclphin. Acndomy, marked" Columbia River.'') .Ase<mtys ntjcscons, WAON., Suppl. !:)cbrob. iii, 1843, 387. OoomyB ( Thomomys) ntjesconB, GlEIIIcr., Sii.ng. 1855, 530. Tlwnto'lllyB "julvus", Mmm., U.S. O<•ol. Surv.Terr. for 1872, 1873, oor>. (Neo Woodb.-Err. test. spocim. ipsi1:1.) DIAONOSIS.-Ooloration almost exactly that of the house-rat (Mus decumanus)- sometimes assuming a more reddish phase, occasionally blncki hplumbeous; tail nnd feP.t white, and much of the chin, th roat, anci breast white in irregular patches, where the fur is white to the ha e. No sootyblackish about the mouth-parts; no obvious di:stinction in color between the pouch ancl its surroundings; no strongly-pronouuccd reddish-brown on the under parts; general tone of coloration never decidedly tawny. Ears set in a small blackish area. Length 6 to 8 inches; tail 3 iuche~S or less, decidedly less than half the length of head and body; fore and hind feet (claws included) approximately equal to each other, about 1.~5; longest fore claw little less than the length of the rest of the hand, about. 0.50. HAniTAT.-Supposed to occur in the Interior of North America, from "Hudson's Bay" to the "Columbia River", nn<l to occupy about the northern half of the United States west of the Mi::;si sippi, exclusive of the Pacificcoast region; being replaced, to the west, by T. bulbivorus, and, to the south, by T. umb7'inus. Undoubted specimens ccn from Selkirk Settlement, British America; from Minne~Sota we twanl along the parallel of 49° N. to the Rocky Mountains, and from Idaho, Wyoming, Utah, and Nevada. Description (!'rom a series of I,ins taken by my elf along the northern |
