BIRDS OF NORTH AND MIDDLE AMERICA. 581 



Adult ma/d.— Length (skin^), 112-120 (11<>.2); wing, 53-6H ((50); 

 tail, 45-49 (40.7); exposed culmen, 11; tarsus, 20-21 (20.1); middle 

 toe, 10-12 (11.8).' 



Adult fetnnle.—l^Qngih (skins), 111-128 (115.7); wing, 5H-61 (59.1); 

 tail, 45-47.5 (46.6); exposed culmen, 11; tarsus, 17-22 (20.1); middle 

 toe, 10-12 (11.1).' 



Pacific coast of Mexico and Central America, from Lower California 

 (La Paz) and Sinaloa (Mazatlan) to Costa Rica (Punta Arenas). 



(?) Dendrccca vieiUoti (not of (.^as^sin) Sclater, Cat. Am. Binln, 1862, 32, part 



(Mexico). 

 Deiidnrca vieillotl Salvix, Iliiy, 1866, 192, part (Tenipate, Gulf of Nicoya, w. Costa 



Rica); 1869, 313 (do.).— Baird, Review Am. Birds, 1865, 203, part (Mazat- 

 lan, w. Mexico). — Lawrence, Ann. Lye. N. Y., ix, 1868, 94 (Costa Rica); 



Mem. Bost. Soc. N. H., ii, 1874, 270 (Mazatlan and Guadalajara, w. Mexico), 



Apr. to Sept.). — Boucard, Proc. Zool. Soc. Lond., 1878, 52 ( Puntas Arenas, 



w. Costa Rica). 

 \_Dendrn'ca\ vieiUoti Sclater and Salvin, Nom. Av. Neotr., 1873, 9, part. 

 Si/lvicola vieiUoti FiNscn, Abh. Nat. Ver. Brem., ii, 1870, 329 (Mazatlan). 

 Dendroica vieillottii, var. bri/antiJiiT>G\y\Y, Auier. Nat.,vii., Oct., 1873, 605, part 



(Mazatlan). 

 IDendroica vieillotl} var. bri/auli Baird, Brewer, and RuxiWAv, Hist. N. Am. 



Birds, i, 1874, 218, part (Mazatlan). 

 Dendrccca vieillotl bryanti Ridg way, Proc. U. S. Nat. Mus., iv, Apr. 24, 1882, 414 



(La Paz, Lower California); Bull. Nutt. Orn. Club, vii, 1882, 257.— Beld- 



iNG, Proc. U. S. Nat. Mus., v, 1883, 536 (La Paz). 

 Dlendrceca} vieiUoti bryanti Coues, Key N. Am. Birds, 2d ed., 1884, 298. 

 Dendrceca bryanti Sharpe, Cat. Birds Brit. Mus., x, 1885, 645, part (Tempate, 



Gulf of Nicoya, w. Costa Rica). 

 Dendroica bryanti castar^eicejis Ridg way, Proc. U. S. Nat. Mus., viii, Sept. 2, 1885, 



350, footnote (La Paz, Lower California; coll. U. S. Nat. Mus.). — American 



Ornithologists' Union, Check List, 1886, no. 653. — Zeledon, Anal. Mus. 



Nac. Costa Rica, i, 1887, 106 (Punta Arenas, Costa Rica). 

 Dle7idroica'\ bryanti castaneiceps Ridgway, Man. N. Am. Birds, 1887, 495. 

 IDendroica bryanti'] ft. castaneiceps Ridgway, Proc. U. S. Nat. Mus., viii, 1885, 350 



(Mazatlan; Cape St. Lucas). 

 Dendroica vieiUoti castaneiceps Cherrie, Proc. U. S. Nat. Mus., xiv, 1891, 525 



(Punta Arenas, w. Costa Rica; crit. ); Expl. Zool. Costa Rica, i, Aves, 1893, 



13 (Punta Mala, delta del Diquis, s. w. Costa Rica). 



DENDROICA EOA (Gosse). 

 AURORA WARBLER. 



With yellow inner ¥'ebs to rectrices, like other "golden warblers," 

 but adult male apparently without streaks on luider parts, and with 

 sides of head, throat, and chest rufous-tawn3\ 



"Length 5 inches, expanse 7.6, tlexure 2.7, tail 1.9, rictus 0.6 

 (nearly), tarsus 0.9, middle toe 0.5. Irides dark hazel, feet horn-color, 

 beak pale horn, culmen and tip darker. Male: Upper parts olive, 

 approaching to yellow on the rump; sides of head marked with a biind 

 of orange, extending from the ear to the beak, and meeting both on 



^Six specimens. ^ Four specimens. 



