BIRDS OF NORTH AND MIDDLE AMERICA. 751 



Colombia, including Isthmus of Panama (Paraiso Station; Panama; 

 Santa Fe, Chitra, and Calobre, Veragua; Volcan de Chiriqui). 



IBasileuterus'] hrunneircps {not Setopliaga bmnneiceps Lafresnaye and D'Orbigny) 

 Bonaparte, Consp. Av., i, 1850, 314' (Bogota, Colombia). 



Basileutcrus delaUrii (not of Bonaparte) Sclater, Proc. Zool. Soc. Lond., 1855, 

 144 (Bogota).— Lawrence, Ann. Lye. N. Y., vii, 1861, 322 (Panama R. R. ). 



B[asUeuierus'] delatrii Ridgway, Man. N. Am. Birds, 1887, 522, part. 



Basileuterus mesochrysus Sclatkr, Proc. Zool. Soc. Lond., 1860, 251 ( Bogota, Colom- 

 bia; coll. P. L. Sclater); Cat. Am. Birds, 1862,35 (Colombia). — Baird, Review 

 Am. Birds, 1865, 250, part (Bogota).— Salvin, Proc. Zool. Soc. Lond., 1867, 

 136 (Santa Fe, Veragua); 1870, 183 (Chitra and Calobre, Veragna). — Salvin 

 and Godman, Ibis, 1879, 198 (Manaure, prov. Santa Marta, CJolombia, alt. 

 2,700ft.); 1880, 117(Santa Marta); Biol. Centr.-Am., Aves, i, 1881, 176, part 

 (Volcan de Chiriqui, Chitra, Calobre, and Santa Fe, Veragna; Paraiso Sta- 

 tion, Panama R. R. ; Sierra Nevada de Santa Marta and Bogota, Colombia). — 

 Bangs, Proc. Biol. Soc. Wash., xii, 1898, 144 (Santa Marta), 180 (Palomina, 

 Santa Marta).— Allen, Bull. Am. Mus. N. H., xiii, 1900, 176 (Bonda, etc., 

 Santa Marta). 



{^Basileuterus'] mesoeJn-i/sus Sclxter and Salvin, Nom. Av. Neotr., 1873, 10, part. 



[Basileuterus delattrii.] Subsp. tr. Basileuterus mesochri/sus Siiarpe, Cat. Birds, 

 Brit. Mus., X, 1885, 396, part ( localities in Colombia, incl. Veragua). 



Basileuterus delattrii mesochrysus Ciierrie, Proc. U. S. Nat. Mus., xiv, 1891, 342, 

 in text ( crit. ) . 



BASILEUTERUS MELANOGENYS Baird. 

 BIACK-CHEEKED WARBLER. 



Adults {se,ves alil-e). — Crown chestnut," margined laterall}'^ with a 

 line of ])lack, the black lines of opposite sides convergino- on the 

 median portion of the forehead, where sometimes forming- a black 

 spot; sides of occiput (sometimes of nape also) sooty blackish; median 

 portion of occiput and nape, hindneck, and sides of neck plain dark 

 brownish gray or olive, passing into a more decided olive hue on back, 

 scapulars, rump, and upper tail-coverts; wings and tail dusky brownish 

 gray, the secondaries and rectrices edged with olive or light In-ownish 

 olive, the primaries edged with a paler and usually more grayish hue; 

 a broad superciliary stripe of white, more or less broken anteriorly 

 (on supraloral portion) by mixture of black; sides of head, including 

 loral, orbital, and auricular regions and anterior portion of malar region 

 black, the first sometimes broken by admixture of white on anterior 

 portion; chin (sometimes upper throat also) dull white flecked or barred 

 with black, the middle or posterior portion of the malar region also 

 mixed black and whitish; rest of under parts dull yellowish white, 

 shading into pale olive laterally, this more grayish (sometimes nearly 

 clear gray) anteriorly on sides of breast, etc.; chest faintly shaded 

 with gray or pale grayish olive; maxilla dark brownish with paler 



'Not a new name, but Lafresnaye and D'Orbigny's species wrongly identified and 

 referred to the genus Basileuterus. 

 ^ These chestnut feathers elongated, forming an erectile bushy crest. 



