MAMMALS OF TllK MEXICAN BOUNDARY. 



Mcii.siirciiiciit.s of !) .sijcciiiivii-s of i<ciiiri(s uixichc. 



273 



Locality. 



Date. 



c o 



San Luis Mountains near Monu- 

 ment No. 65. 



do 



do 



do 



.do. 

 .do. 

 .do. 

 .do. 

 .do. 



1892. 

 July 13 



July 11 

 ....do... 

 July 12 



1893. 

 Aug. 31 

 Sept. 7 

 Sept. 5 

 Sept. 25 

 Sept. 29 



Vim. 

 540 



540 

 575 

 550 



575 

 540 

 560 

 545 

 545 



mm. 

 260 



270 

 295 

 275 



280 

 280 

 285 

 265 

 280 



mm. 

 79 



75 

 75 



77 



SCIURUS ARIZONENSIS Coues. 



ARIZONA GRAY saUIRREL. 



Sciurns arizoncnsis Coues, Auier. Nat., I, 18G7, p. 357, footnote; Proc. Acad. 

 Nat. Sei. Phila., 1867, p. 1.34 (original description). — Coues and Yaruow, 

 Wheeler Surv., V, Zool., 1870, p. IIG.— Allen. Bull. U. S. Geol and 

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

 V, 1893, p. 30; VII, 1895, p. 245 (Fort Apache, Arizona). — True, Proc. 

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

 Nat. Hist., XXX, No. 1, Dec. 27, 1901, p. 30 (Syst. Results Stud.v X. Am. 

 MauL to close of 1900). 



Sciurns collia'h Allen, Monogr. N. Aul Rodentia, 1877, p. 7.38 (in part). 



[Sciurus] (trizoncnsis, Elliot, Field Col. Mus., Zool. Ser., II, 19(»1, p. .59, 

 fig. 14, skull (Synop. MauL N. Am.) 0; IV, Pt. 1, 1904, p. 109 (Mam. 

 Mid. Am.). 



-Fort 



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

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

 nkin and skull in good condition.) 



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

 Droad 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 Avhite; beneath, rusty brown, 

 broadly banded with black and In'oadly edged with white, the hairs 

 mainly black on terminal third. 



Cranial and dental characters. ~ Although the front upper premolar 

 is wanting, the skull of this scpiirrel is ditierentfrom that of members 

 30039— No. 50—07 M 1« 



