PASSERES— FRINGILLIDAE-C. PASSERINUS VAR. PERPALLIDUS. 257 



differinjr more than do the strains of different individuals in the same 

 neighborhood at the East. Mr. Aiken has observed it in El Paso County, 

 Colorado, April 18. 



COTtJRNIOULUS PASSERINUS (Wils.), var. PERPALLIDUS, Ridg. 

 l¥estern Yellow-winced Sparrow. 



Plate I, Fig. 2. 



Coturmcuhis passerhms var. perpaUidus, Ridg., MS.— Coues, Key N. A. Birds, 1872 

 1:^7.-Bd., Bkew., & Ridg., N. A. Birds, i, 1874, 55(;._Yareow, Rep. Orn! 

 Specs., 1871, Wheeler's Exped., 1874, 34.— Yarrow & Henshaw, Rep. Orn. 

 Specs., 1872, VVbeeler's E.xped., 1874, 15— Eensiiaw, An. Lye. Nat. Hist. 

 N. Y., xi, 1874, 5.-1(1, An. List Birds Utab, 1872, VVbeeler's" Exped., 1874, 

 U.—Icl, Rep. Orn. Specs., 1873, Wheeler's Exped., 1874, 112.— Allen, Proc. 

 Bost. Soc. Nat. Hist., June, 1874, IG, 17, 27.-Coues, Birds Northwest, 

 1874, 132. ' 



Colurniculua passerinus, WoODH., Sitgreave's Exp. Zuui & Col. Riv., 1854, 86.— Bd., 

 U.S. & Mex. Bound. Snrv., ii, pt. ii, 1859, Birds, 15— Heerm., P. R. r! 

 Rep., X, pt. iv, 1859, 49.— Kennerly, P. R. R. Rep., (Whipple's Route), 

 1859, 28.-HENRY, Proc. Acad. Nat. Sci. Pbila., 1859, 107 (New xMexico).— 

 CouES, Proc. Acad. Nat. Sci. Phila., 1866, 84 (Bill Williams' Fork, Ken- 

 nedy) —Allen, Bui. Mu,s. Comp. ZooL, 1872, 177 (western edge of plains; 

 Ogdeu, Utah). ' ' 



This pale western race of the Yellow-winged Sparrow is found in the 

 Middle Region, extending thence west to the Pacific Though occnrrino- i„ 

 17 z ^ « 



