MAMMALS OF THE MEXICAN BOCNDAKY. 



273 



Mcunurciiicniis o( 9 specimens of Sciurus apache. 



SCIURUS ARIZONENSIS Coues. 



ARIZONA QRAY SQITIRREL. 



Sciurus arizonensis Coues, Amer. Nat., I, 1867, p. 357, footnote; Proc. Acad. 

 Nat. Scl. Phila., 1867, p. 134 (original description). — Coues and Yakrow, 

 Wheeler Surv., V, Zool., 1876, p. 116.— Allen, Bull. U. S. Geol and 

 Geog. Surv. Terr., IV, No. 4, 1878, p. 880; Bull. Am. Mus. Nat. Hist, 

 V, 189.3, p. 30; VII, 1895, p. 245 (Fort Apache, Arizona). — ^kue, Proc. 

 U. S. Nat. Mus., VII, 1885, p. 595. — Miller and Rehn, Proc. Bost. Soc. 

 Nat. Hist., XXX, No. 1, Dec. 27, 1901, p. 36 (Syst. Results Study N. Am. 

 Mam. to close of 1900). 



Sciurus colliwi, Allen, Monogr. N. Am. Rodentia, 1877, p. 738 (in part). 



[Sciurus] arizonensis, Elliot, Field Col. Mus., Zool. Ser., II, 1901, p. 59, 

 fig. 14, skull (Synop. Mam. N. Am.) 6; IV, Pt. 1, 1904, p. 109 ^^ (Mam. 

 Mid. Am.). 



Type-locality. — Fort Whipple (=Prescott), Yavapai County, 

 Arizona. Altitude about 5,000 feet. (Type, No. ^^^, U.S.N.M.; 

 skin and skull in good condition.) 



Description. — Color above grizzled gray, black, and white, with a 

 oroad yellowish ferruginous band from occiput to base of tail; out- 

 side of limbs and feet, gray ; ears, rusty gray ; under parts and inner 

 aspect of limbs, white; tail above, black, sprinkled with white in 

 middle, and' broadly edged with white; beneath, rusty brown, 

 broadly banded with black and broadly edged with white, the hairs 

 mainly black on terminal third. 



Cranial and dental characters.— Althoufrh the front upper premolar 

 is wanting, the skull of this squirrel is different from that of members 

 30639— No. 56—07 m 18 



