714 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



RENCE, Ann. Lye. N. Y., ix, 1868, 95 (Barranca, Grecia, and San .Tos6, Costa, 

 Kica); Mem. Boat. Soc. N. H., ii, 1874, 270 (Guadalajara, Jalisco; Tepie; 

 Colima).— Butcher, Proc. Ac. Nat. Sci. Phila., 1868, 149 (Laredo, Texas).— 

 DALLand Bannister, Trans. Chicago Ac. Sci.,i, 1869, 278 ( Yukon R.,Kadiak, 

 and Sitka, Alaska).— Cooper, Orn. Cal., 1870, 101, part.— Aiken, Proc. Best. 

 Soc. N. H., 1872, 197 (Colorado, May).— Finsch, Abh. Nat. Brem.,iii, 1872, 

 36 (Alexandrovsk, Alaska).— Trippe, in Coues Birds N. W., 1874, 232 (Col- 

 orado, breeding near timber line).— Baikd, Brewer, and Ridgway, Hist. 

 N. Am. Birds, i, 1874, 317, part.— Henshaw, Rep. Orn. Spec. Wheeler's 

 Surv., 1873 (1874), 59 (Denver, Colorado, May 14), 75 (South Park, Colo- 

 rado, June 24, and Garland, May 28), 103 (Apache and Bowie, Arizona, 

 Sept., Oct.); Zool. Exp. W. 100th Merid., 1875, 207, excl. syn., part.— 

 EiDGWAY, Bull. Essex Inst., vii, 1875, 32 (Wasatch Mts., Utah, breeding).— 

 Nelson, Proc. Bost. Soc. N. H., xviii, 1875, 343 (mountains s. of FortBridger, 

 Wyoming, summer).- Salvin and Godm.;\x, Biol. Centr.-Am., Aves, i, 1881, 

 168, part.— Nutting, Proc. U. S. Nat. Mus., v, 1882, 494 (Irazii, Costa Rica).— 

 McLenegan, Cruise "Corwin," 1884, 114 (Kowak R., Alaska).— Sharpe, 

 Cat. Birds Brit. Mus., x, 1885, 435, part. 



IMyiodioctes'] pusillus Coues, Key N. Am. Birds, 1872, 109, part.— Sclater and 

 Salvin, Nom. Av. Neotr., 1873, 10, part. 



(?) [Myiidioctes pusillus Sclater, Proc. Zool. Soc. Lond., 1858, 299 (La Parada, 

 Oaxaca). 



Myiodioctes pusillus var. pusillus Ridgway, Am. Journ. Sci., iv, Dec, 1872, 457, 

 part. 



[Myiodioctes pusillus'] a. pusillus Ridgway, Orn. 40th Parallel, 1877, 437 (West 

 Humboldt and East Humboldt mountains, Nevada, Aug., Sept. ; Antelope 1., 

 Utah, May 24). 



(?) [Myiodioctes pusillus.] a. M. pusillus Sharpe, Cat. Birds Brit. Mus., x, 1885, 

 436, in list of specimens, part (Oaxaca; Duefias and Coban, Guatemala; 

 Irazu district, Costa Rica). 



[Myiodioctes pusillus] var. pusillus Baird, Brewer, and Ridgway, Hist. N. Am. 

 Birds, i, 1874, 313, part. 



(?) M[yioctonus] pusillus Cabanis, Mug. Rein., i, 1850, 18 (Mexico). 



WILSONIA PUSILLA CHRYSEOLA Ridgway. 

 GOLDEN PILEOLATED WARBLER. 



Similar to W. jp. 2nleolata, but slightly smaller and much more 

 brightly colored; olive-green of upper parts much more yellowish, 

 almost olive-yellow in extreme examples; yellow of forehead and 

 superciliary region (especially the former) inclming more or less to 

 orange; yellow of under parts purer, more intense. 



Adult iniiU'. — h&ngt\i (skins), 104-117 (110.5); wing, 53-59 (55.4); 

 tail, 45-5;i (49.1); expo.sed culmen, 7-9 (8.3); tarsus, 17-19.5 (18.2).' 



Adult frmale. —IjQugth (skins), 104-115 (108.6); wing, 50-55 (52.9); 

 tail, 45..5-50 (47.8); exposed culmen, 8-9 (8.5); tarsus, 17-19.5 (18.3)." 



Pacific coast district of United States and British Columbia; breed- 

 ing from southern California (San Bernardino, Los Angeles, and 

 Ventura counties) northward to British Columbia (New Westminster; 

 Mount Lehman); during migration southward and eastward to eastern 



' Twenty-four specimens. ^ Ten specimens. 



