BIRDS OF NORTH AND MIDDLE AMERICA. 673 



Proc. Zool. Soc. Lond., 1870, 207 (Castillo and Laguna del Castillo, Panamd); 

 Cat. Birds Brit. Mus., xvi, 1892, 423, 668 (Castillo, Laguna del Castillo, 

 Chitra, Lion Hill, and Chepo, Panamd; Bogotd and Prado, Tolima, Colom- 

 bia). — Elliot, Classif. and Synop. Troch., 1879, 133, part (Verdgua; Panama; 

 Colombia). — Berlepsch, Journ. fiir Orn., 1887, 329 (Bogota). — Ridgway, 

 Rep. U. S. Nat. Mus. for 1890 (1891), pi. 32, fig. 1.— Salvin and Godman, 

 Biol. Centr.-Am., Aves, ii, 1892, 363.— Boucard, The Hum. Bird, ii, 1892, 73 

 (Veragua; Panamd, Bogotd). — Bangs, Proc. New Engl. Zool. Club, iv, 

 1908, 25 (San Pedro, s. w. Costa Rica). — Carriker, Ann. Carnegie Mus., vi, 

 1910, 552 (Costa Rica). 



LOPHORNIS HELENA (Delattre). 



PRINCESS HELENA'S COQUETTE. 



Adult male. — Pileuni dark metallic green, the long, aciciilar, or 

 filamentous feathers of occipital crest greenish black; nape, hindneck, 

 back, scapulars, and wdng-coverts metallic bronze-green; lower rump 

 and upper tail-coverts sooty blackish, more or less glossed with 

 bronzy, this separated from the green of upper rump and back by a 

 narrow band of white or light dull buffy, across middle of rump ; mid- 

 dle rectrices dull greenish bronze or olive-bronze, passing into dusky 

 terminally and into cinnamon-rufous, more or less extensively, 

 basally; other rectrices cinnamon-rufous, edged on outer web wdth 

 bronzy blacldsh; remiges dusky, faintly glossed with violaceous; 

 chin and upper throat brilliant metallic yellowish green abruptly 

 defmed, mth a convex or semicircular outline, posteriorly against a 

 patch of elongated, velvety black feathers on extreme lower throat; 

 on each side of this shield-like velvety black patch a tuft of elongated 

 feathers, mostly buff (more or less deep) but with upper web of some 

 velvety black, forming sharply defmed streaks; chest metallic bronze 

 (varying from greenish to bright golden) , the breast, abdomen, sides, 

 and flanks of white spotted with metallic bronze; under tail-coverts 

 cinnamon-rufous, more or less distinctly grayish brown centrally; 

 bill light brownish or whitish (in dried sldns), usually dusky termi- 

 nally ; iris dark brown; feet brownish (in dried skins) ; length (skins), 

 63-77(67.5); wing, 38-42.5 (39.8); tail, 22-25.5 (23.7); exposed 

 culmen, 10-12.5 (11.3).^^ 



Adult female. — ^Above dark metallic green or bronze-green, brightest 

 on back, etc.; a narrow^ w^hite baml across middle of rump; extreme 

 lower rump and upper tail-coverts black, glossed with bronze; middle 

 rectrices olive-bronzy, blackish terminally, cinnamon-rufous at base, 

 the remaining rectrices cinnamon-rufous crossed by a broad subter- 

 minal band of black; remiges dusky, faintly glossed \\\i\\ violaceous; 

 loral, suborbital, and auricular regions uniform blackish; malar 

 region, chin, and throat var3ang from pale grayish or brownish bufT 

 to deep cinnamon-bulf or pale cinnainon-rufous, sometimes minutely 

 flecked with dusky or bronzy; chest nearly uniform metallic bronze, 



" Twenty-one specimens. 

 81255°— Bull. 50—11 43 



