BIRDS OF NORTH AND MIDDLE AMERICA. 531 



Adult maZc.— Length (skins), 112-120 (llt;.2); wing, 53-66 (60); 

 tail, 45-49 (46.7); exposed oulmen, 11; tarsus, 20-21 (20.1); middle 

 toe, 10-12 (11.8).^ 



Adult female.--L,ength. (skins), 111-123 (115.7); wing, 56-61 (69.1); 

 tail, 45-47.5 (46.6); exposed oulmen, 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). 



{l)Dendraca vieilloli (not of Caasin) Sclater, Cat. Am. Birds, 1862, 32, part 



(Mexico). 

 Dendroeca vidlloti Salvin, Ibis, 1866, 192, part (Tempate, Gulf of Nicoya, w. Costa 



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

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

 [Dcndrccca] meilloli Sclater and Salvin, Nom. A v. Neotr., 1873, 9, part. 

 Sylvicola ijieUloti FiNScn, Abh. Nat, Ver. Brem., ii, 1870, 329 (Mazatlan). 

 Dendroica vieillottii, var. bryanti 'RiDHW ay , Amer. Nat., vii., Oct., 1873, 605, part 



(Mazatlan). 

 [Dendroica vieilloti] var. hryanti Baird, Brewer, and Ridgway, Hist. N. Am. 



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

 Dendroica vieilloti bryanti Ridgway, Proc. U. S. Nat. Mus., iv, Apr. 24, 1882, 414 



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



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

 D^endrcecal vieilloti bryanti Coues, Key N. Am. Birds, 2d ed., 1884, 298. 

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



Gulf of Nicoya, w. Costa Rica). 

 Dendroica bryanti castaneiceps Ridgway, 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). 

 Dlendroica'] bryanti castaneiceps Ridgway, Man. N. Am. Birds, 1887, 495. 

 [Dendroica bryanti} /3. castaneiceps Ridgway, Proc. U. S. Nat. Mus., viii, 1885, 350 



(Mazatlan; Cape St. Lucas). 

 Dendroica vieilloti castaneiceps Chbhrik, 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 webs to rectrices, like other "golden warblers," 

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

 sides of head, throat, and chest rufous-tawny. 



"Length 5 inches, expanse 7.6, flexure 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 band 

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



^Six specimens. '' Four specimens. 



