aOIUBID^— SPBRMOPHILUS. 



Tablr LXXXI. — £<•( o/»pecimeii$ eiamincd of Tamia8 i^TEnAUS — Continnal. 



•«7M 

 •no 



•9T50 



•*r5i 



•5317 



031 



838 

 MS 



looe 



IrtCOlltj. 



Puk Oamity, Odo . 



do 



do 



do 



11 Pwo CoDDty, Colo . 

 B«u Creek, Ong 



When 

 oolleatod. 



July 8,1871 



July 90, 1871 

 Jn>y M,1871 

 Jaly 90, 1871 

 Jaly », 1871 

 Aug. 11,1876 



From whom re- 

 oeived. 



Boeky Hocntaln Kx- 

 pediUoB. 



...do 



....do 



...do 



....do , 



Cipt. Chu. Bendlre. 



Colleoted by- 



Allen, Bennett, ud 

 Bll**. 



,...da 



...do 



....do 



...do 



C>pt Chaa. Bendlre. 



•8 

 in 



Skla. 



..da 

 ..da 

 ..da 

 ..da 

 ..do. 



' ta Jfuenm of OonptnttlTe ZoHegy, Cunbridgo, Mmi. 



Genus SPERMOPHILUS F. Cuv. 



Spermopkaiu F. Cdtikb, H^m. da Hob. ix, lte3, 893; Denta dea Hamm. 18SS, 161, 3&S, pi. It (type "Jfni 



cUiUut, Linn.")- 

 SpermopMa Biciiaddson, Parry'a 8«oond VoyaKe, App. 1835, 313 (= Spermofltatu F. Cnv.). 

 SpermatopkUw Waolkr, Sysk Aviam, 1830, 32 (accredited to F. Cuvier). 

 CMltiu LiOHTKNSTBiN, Dttcst. Dcuer ':der wenig Iieliannt. Silaget. 18i27-34 [1830f], pi. xzxi, fig. 2 (not 



paged). 

 CoIototM Bbamdt, Ball. Claaae Pbyaico-matb. de I'Acad. Imp. dea Soi. de St. P<Stonb. ii, 1844, 360. 

 OloeoMmi Brandt, Ball. CUaae Fhyaico-math. de I'Aoad. Imp. des Sci. do St. Pdtenb. ii, 1844, 368 (= 



ColcioUi). 

 OtoipermopkUiu Brandt, Ball. Claaae Phyaioo-matb. de I'Acad. Imp. doa Soi. de St. P^terab. ii, 1844, 379. 



Q-ENEBio CHAB8. — Skull very variable in form, being either narrow and 

 elongate or short and broad, with the dorsal outline moderately or strongly 

 convex, and the zygomatic arches greatly or only moderately expanded ; post- 

 orbital processes generally triangular, strong, and directed downward ; zygo- 

 matic processes of the maxillary greatly depressed and expanded ; plane of 

 the malar turned outward, sometimes anteriorly nearly horizontally flattened; 

 zygomatic arches spreading ; position of the anteorbital foramina more for- 

 ward than in Tamias, subtriangular, with a strongly developed tubercle at 

 the outer lower corner ; upper premolars always two, the,first variable in 

 size, generally much larger than in Sciurus or Tamias, and sometimes nearly 

 as large as in Cynomys; grinding-teeth variable in strength and size ; cheek- 

 pouches well developed ; body slender or thick-set ; tail long, moderate, or 

 short, cylindrical or flattened; ears large, of medium size, or rudimentary, 

 never tufled ; nail of pollex generally undeveloped ; character of the pelage 

 and pattern of coloration variable. 



As previously stated, the genus Spermophilus, as commonly recognized, 



