BIKDS OF NORTH AND MIDDLE AMERICA. 385 



KEY TO THE SPECIES AND SUBSPECIES OF ECCHAUNORNIS. 



a. Sides of head buff, narrowly barred with black; remiges and rectrices cinnamon- 

 rufous or rufous-tawny, barred with black. (Ecchaunornis radiatus.) 

 h. Paler, the general color of under parts and sides of head and neck buffy white. 



(Central Colombia.) Ecchaunornis radiatus radiatus (extralimital).a 



hb. Darker, the general color of under parts and sides of head and neck deep buff or 

 ochraceous-buff. (Eastern Panama to western EcTiador.) 



Ecchaunornis radiatus fulvidus (p. 385). 



aa. Sides of head black, reheved by white on lores, auricular region , and anterior part 



of malar region; remiges brownish gray, sUghtly varied with whitish, the rec- 



trices grayish brown narrowly barred with whitish. (Southeasten Brazil to 



Paraguay and Bolivia.) Ecchaunornis chacuru (extralimital).6 



ECCHAUNORNIS RADIATUS FULVIDUS (Salvin and Godman). 



FULVOUS PUFF-BIHD. 



Similar to E. r. radiatus" but more deeply colored, deep buff or 

 ochraceous-bufF, replacing pale buff or buffy white. 



Adults {sexes alike). — Forehead and crown broadly barred with 

 black and russet, the former sometimes with the paler bars more buffy 

 on anterior portion; occiput black spotted or barred with russet, each 

 feather being tipped with the latter color; nape mostly uniform black; 

 a broad collar of deep buff across hindneck; upper back black, usu- 

 ally more or less spotted or barred with russet; lower back, scapulars, 

 wing-coverts, remiges, rump, upper tail-coverts, and tail light cin- 

 namon-rufous or rufous-tawny, barred with black, the outer and 

 longer primaries uniform brownish black or dusky distally; sides 

 of head and neck buff, narrowly barred (except on loral and super- 

 ciliary regions) with black; chin dull white; rest of under parts buff, 

 narrowly and rather distantly barred with black, except on abdomen' 

 anal region, and under tail-coverts, the bars widest on chest; under 



a Bucco radiatus Sclater, Proc. Zool. Soc. Lond., 1853, 122, pi. 50 (Colombia; coll. 

 Brit. Mus.); Mon. Jacam. and Puff-Birds, 1882, 109, part, pi. 36 (rear figure); Cat! 

 Birds Brit. Mus., xix, 1891, 192, part (Bogota, Colombia).— N[ystalus]radiatusQ2Lh2^niB 

 and Heine, Mus. Hein., iv, heft 1, 1863, lAl.—[Capit6]ruficervix Bonaparte, Ateneo 

 Italiano, ii, 1854, 128 (Consp. Volucr. Zygod., 1854, 1"^) .—Ecchaunornis radiatus Ridg- 

 way, Proc. Biol. Soc. Wash., xxv. May 4, 1912, 97, in text. 



b Bucco chacuru Vieillot, Nouv. Diet. d'Hist. Nat., iii, 1816, 239 (Paraguay; based 

 on El Chacuru Azara, Apunt. Parag., ii, 330); Sclater, Mon. Jacam. and Puff-Birds, 

 1881, 103, pi. 34; Cat. Birds Brit. Mus., xix, 1891, 1^1.— Capita chacuru Strickland^ 

 Ann. N. H., vi, 1841, 418; Hartlaub, Index Azara's Apunt., 1847, 17.— [Tamutia] 

 chacuru Bonaparte, Consp. Av., i, 1850, \A&.—[Nyctastes] chacuru Bonaparte, Ateneo 

 Italiano, ii, 1854, 128 (Consp. Volucr. Zygod., 1854, 12.) .—N[ystalm] chacuru Cabanis 

 and Heme, Mus. Hein., iv, heft 1, 1863, lAl.—Cajnto melanotis Temminck, PI. Col., 

 hvr. 16, Nov., 1821, pi. 94 and text (Brazil; Paraguay; coll. Paris Mus.).- TaT^z^fwi 

 melanotis Lesson, Trait6 d'Orn., 1831, 167.— 5[ucco] strigilatus Lichtenstein, Verz. 

 Doubl., 1823, 8 (Sao Paulo, s. Brazil) .—T[amatia] leucotis Swainson, Orn. Drawings, 

 pt. 1, 1834, pi. 10 (no locahty).— jB[iicco] leucotis Gray, Gen. Birds, i, 1846, 74. 



'^ See foot note a. 



3622°— Bull. 50, pt G— 14 25 



