MAMMALS OF THE MEXICAN BOUNDARY. 273 



Measurements of '■> specimens of Sciurus apache. 



M Qseum 

 numbers. 



: i 



20550 

 20548 



20549 



58904 

 58901 

 58900 

 58903 

 58902 



Skull. 



35690 



36692 

 35715 



35693 



58904 

 58901 

 58900 

 58903 

 58902 



Locality. 



San Luis Mountains near Monu 

 merit No. 65. 



....do 



.do. 

 .do. 



.do. 

 .do. 



.do. 

 .do. 

 .do. 



1892. 

 July 13 



July 11 

 ....do... 



July 12 



1893. 

 Aug. 31 

 Sept. 7 

 Sept. a 



Sept. 25 

 Sept. 29 



5 21 



mm. I mm. 

 540 260 



540 

 575 

 550 



575 

 540 

 560 

 545 

 545 



270 

 295 

 275 



280 

 280 

 285 

 265 



280 



mm 

 79 



mm . 



23 



22 



■>?, 

 24 



25 

 21 

 25 

 22 

 22 



SCIURUS ARIZONENSIS Coues. 



ARIZONA GRAY SQUIRREL. 



Sciurus arizonensis Coues, Amer. Nat., I. 1867, p. '■'"t, footnote; Proc. Acad. 



Nat. Sci. Phila., 1867, p. 134 (original description). — Coues and Yarrow, 



Wheeler Snrv.. V. Zool., 1876, i>. 116.— Allen, Bull. U. S. Geol and 



Geog. Surv. Terr., IV, No. 4, 1878, p. 880; Bull. Am. Mns. 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. Soc. 



Nat. Hist. XXX, No. 1. Dec. 27. 1901, |>. 36 (Syst. Results Study \. Am. 



Mam. to close «>f 1!)00). 

 Sciurus collicei, Allen, Monogr. X. Am. Rodentia, 1N77, p. 738 (in part). 

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



Bg. 14. skull (Synop. Mam. N. Am.) 6; IV, Ft. 1, 1904, p. Id!) (.Mam. 



Mid. Am.). 



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

 Arizona. Altitude about :>.<»<>(i feet, (Type, No. j&Wt? U.S.N. M. ; 

 skin and skull in good condition.) 



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

 broad yellowish ferruginous hand 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 willi black and broadly 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 squirrel is different from that of members 

 30639— No. 56—07 u 18 



