012 



MONOOllAPUS OP NOUTH AMERICAN RODEKTIA. 



ANALYSIS OP species; ' ,"' 'v" 



A. Superior inciHors liisiilfute ; furo nliiws and pouclieH at a iiiaxiiiiiim. 



a. IiiciHura almost exactly bi»cctr(l by the main groove, tlio flue marginal groovo 



tlintinet; tail and feet Imiry BunSARlUB. 



(. IiiclsorB iineqnally divided by the main groovo into larger inner ami Huiallur outer 

 jmrtion, IliO line marginal groove fuiut or obsolete; tail uud feet nearly 



naked (South Atlantic and Gulf StateH) tuza, 



I). Superior inuiaorH uuiHulcato ; fore clawB and pouches moderate. 



a. Incixors exactly bixccted by the grnovo; fur soft; tail and feet hairy. 



a'. Smaller; yellowiHh-browu, below whitish (Unito<l States) CASTAKors. 



b'. Larger; dark reddlHh-brown, below iduniboous (Mexico) mexicamb. 



b. Incisors unc'i|iuilly divided by tho groove into a small inner and large outer 



portion; pelage very hispid; tail and feet nearly naked UISPIDUS. 



GEOMYS BURSARIUS, (Shaw) Rich. 

 Common Pocbct Gopher. 



Jfiu burmrius, RiiAW, Linn. Trans, v, 1800, 227, fig. 8 ; Gen. Zool. ii, 1801, ICO, pi. 138 (tho plate clearly, 



shows the grooved incisors ; tho pouches are everted). — MlTClliLL, Am. Journ. Sci. iv, 1H22, 183 



(relating to tho pouches). 

 rricehM buraariuK, Dr,s.M., " Nonv. Diet. d'Hist. Nat. xiv, , 177 ; Ency. M£th. Snppl. pi. 10, f. 4" ; Mamm. 



ii, 1H2J, p. 312 ("6«r8oreu«")-— F. Cuv., "Diet. Sc. Nat. xx, , 2.J7".— Desmoul., "Diet. 



Class, viii, , 37".— GisiFK., "Anim. Kingd. iii, 1827, i:i8, pi. — "; v, 1827, 2;15, no. C12. 



Saceo})hor«f bursariiie, Kuril,, Boitriigo, 1820, G5. — Fiscii., Synop. 1827, 304. 



J'acudosloma bursariiiB, Say, Lung's Exp. Ii. Mts. i, 1823, 406 ('btirsaria"). — Harlak, Fn. Amer. 1825, 



153.— Lkss., Man. 1627, 25'J.-G<)DMan, Am. Nat. Hist, ii, 1831, 90 ("jKrjorium").- DbKay, 



N. Y. Fn. i, 1842, 92.— Al'I>. & lUciI., Q. N. A. i, 184U, 332, pi. 44. 

 Gcomxpt biirmrUia, liicil., F. B. A. i, 1829, 203. 

 Cwmya buranriuH, Kicii., Sixth Ann. Kop. Brit. Assoc. Adv. Sci. for 1830, 1837, 150. — WooDli., Sitgr. Rep. 



Zufii and Col. K. IHTiS, HO (Indiau Territory).— Pahvin, Ann. Eep. Smiths. Inst, for 18,'>4, lWi5, 



293 (habits).- Kenn., Trans, llliuois Agric. Soc. for ia')3-r)4, 18.'u, 580.— Bd., M. N. A. 1K>7, 



372, pi. 22, f. 1 a-h, and pi. 50, f. 2 a-ff— Maxim., Arch. Noturg. 18G1, ; Verz. Reiso 



N.-Anj. Siing. 1802, 147.— Gkhh., Cat. Bones Br. Mus. 1862, 223.— Leidv, Proc. Acad. Nat. 



Sci. Phila. 1807, 97 (skull from loess of Missouri). — Ames, Bull. Acad. Minnesota, i, 1874, 



70. — Coues, Proc. Phiia. Acad. 1875, ul ; Powell's Ki^p. Colorado Ii. 1875, 221 (monographic). 

 Aacomyt iursarius, Evn. & Gehv., Voj . Favorite, v, 18.J9, 23.-Sci!is!Z, 3yn. ii, 1845, 132.— Gii:ii.,.Odou- 



tog. 53, pi. 23, f. 8. 

 Geomyg (Saccoi)horii») bursariua, GiEn., Siiug. 1855, ,'i29. 



f Miia ludovicicnun, OiiD, " Gutlirie's Gcog. 2d Am. cd. ii, 1815, 292. (Not determinable.) " 

 r DiploHloma fu8ca, Raf., Am. Month. Mag. ii, 1817,44.— Desm., Momm. ii, 1822, 315.— Less., Man 1827,801. 

 t Viplosloma alba, Rai'., Am. Month. Mug. ii, 1817, 44 (albino).— Desm., Mamm. 11, 18i2, 315. — Less., Mud. 



1827, 201. 

 Kaccophonia t ulbus, Fiscii., Synnj!. 1827, 30r,. 

 f llii>m\j» ciiierciia, Rai'., Ant. Month. Mag. ii, 1817, 45. 

 Mua saccatuD, Mncii., N. Y. Med. Repos. xxi (new ser. vol. vi), 1821, 249 (from Lake Superior. "Tho Go- 



jilicr, or Pouched Rat of North America, {itus hnraariua.) ") 

 Afcomyt canaihnsia, LiciiT., Abh. Acad. Wiss. Berl. 1823, 13, (Ig — Uisants, Mnizen, 1827, 24. — Waon. 



" Sui>pl. .Schreb. iii, 1843, :\!':) ; Abh. K. Ho:; r. Al;ad. MUuoh. xxii, 1846, 327, fig. (skeleton) ". 

 fltomyH rannrfrnoid, LeC, Proc. Acad. Nat. Sci. Pliiia. vi, 18.')2, 158. 

 (Ivomys (Inimmondii, Rich., Sixth Ann. Rep. Brit. Assoc, for 1836, 1H37, 157 (Texas. A npecles with donblo- 



griiovcd inelsorn, apparently exactly eipial to what was afterward called brcvicepa by Bainl). 

 ..lamnij/s (frHiiiHionrfii, Wagneh, "Suppl. Scbrebcr". 

 (Icomya oregonfimn, Li:C., Proc. Acad. Nat. t-ci. Phila. vi, 1852, 100 (no probability that the assigned locality 



is correct). 

 Gcomya brevU-eps, l!i>., Proc. Acad. Nat. Sci. Phila, 18.')5, 334 ; M. N. A. 1857, ;)78, pi. 52, f. 2 a-,j (Texas).— 



(iEllli., Cat. Itmie;, Br. Mus. 1802, 2'J3. 

 Canada Unt, Xnwv, II. cc. 

 Canada I'ouclud Hat, Riciiardbom, I. c— Aui). &. Bach., f. c. 



