PASSERES FRINGILLIDAE C. PASSEEINUS VAR. PERPALLIDUS. 257 



differing' 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. 



COTUENICULUS PASSERINUS (Wils.), var. PERPALLIDUS, Eidg. 



Western Yellow-winged Sparrow. 



PLATE I, FIG. 2. 



Coturniculus passerimts var. perpallidus, RIDG., MS. COUES, Key N. A. Birds, 1872, 

 137. BD., BKEW.. & EIDG., N. A. Birds, i, 1874, 550. YAREOW, Eep. Orn. 

 Specs., 1871, Wheeler's Exped., 1874,34. YARROW & DEN SHAW, Eep. Orn. 

 Specs., 18713, Wheeler's Exped., 1874, 15. HENSHAW, Au. Lye. Nat. Hist. 

 N. Y., xi, 1874. 5. Id., Au. List Birds Utah, 187:3, Wheeler's Exped., 1874, 

 44. W., Eep. Orn. Specs., 1873, Wheeler's Exped., 1874, 112. ALLEN, Proc. 

 Bost. Soc. Nat. Hist., June, 1874, 1C, 17, 27. COUES, Birds Northwest, 

 1874, 132. 



ColHrniculus passcrinus, WOODH., Sitgreave's Exp. Zimi & Col. Eiv., 1854, 86. BD., 

 U. S. & Mex. Bound. Surv., ii, pt. ii, 1859, Birds, 15. HEERM., P. E. E. 

 Eep., x, pt. iv, 1859, 49. KENNEELY, P. E. E. Rep., (Whipple's Eoute), 

 1859, 28. HENRY, Proc. Acad. Nat. Sci. Phila., 1859, 107 (New Mexico). 

 COUES, Proc. Acad. Nat. Sci. Phila., 18CG, 84 (Bill Williams' Fork, Ken- 

 uerly). ALLEN, Bui. Mus. Couip. Zoo'l., 1872, 177 (western edge of plains; 

 Ogden, Utah). 



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

 Middle Region, extending thence west to the Pacific. Though occurring in 

 17 z 



