BIRDS OF NORTH AND MIDDLE AMERICA. 33 



more decidedly brownish edgings; under parts plain gray (between 

 no. 7 and smoke gra}^), passing into white on center of abdomen, 

 the under tail-coverts tinged with buffy, the chest crossed by a broad 

 band, more or less distinct, of light tawny-olive or raw-umber; bill 

 black ; iris dark brown ; legs and feet dusky horn color. 



Young. — Similar to adults, but abdomen more buffy whitish, the 

 feathers of upper portion tipped with gray, forming indistinct bars, 

 and under tail-coverts buff; no trace of spots or streaks on wing- 

 coverts nor other upper parts. 



Adult male.— Length (skins), 134-154 (142.6); wing, 73-78.5 (75.7); 

 tail, 59.5-67 (62.9); exposed culmen, 12-13.5 (12.7); tarsus, 30-32.5 

 (31); middle toe, 15.5-18 (16.8). « 



Adult female. —Length (skins), 130-145 (139.4); wing, 70-76 (73.4); 

 tail, 54-63.5 (59.9); exposed culmen, 12-14 (13.2); tarsus, 30-31 

 (30.7); middle toe, 16.5-17 (16.9).« 



High mountains of Costa Rica (Rancho Redondo; San Mateo; 

 Volcan de Poas; Volcan de Irazu; Yolcan de Turrialba; Rancho de 

 Rio Jimenez). 



Catharus gmdlirostris Salvin, Proc. Zool. Soc. Lond., 1864 (pub. Apr. 1, 1865), 

 580 (Volcan de Cartago, i. e., Volcan de Irazu, Costa Rica; coll. Salvin and 

 Godman); 1866, 69 (Volcan de Irazu) .—Lawrence, Ann. Lye. N. Y., ix, 1868, 

 90 (San Mateo, Costa Rica). — Frantzius, Journ. fiir Orn., 1869, 289 (Costa 

 Rica). — BoucARD, Proc. Zool. Soc. Lond., 1878, 50 (Volcan de Irazu, Costa 

 Rica). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1879, 6, pi. 1, fig. 1. — 

 Seebohm, Cat. Birds Brit. Mus., v, 1881, 292. 



[Catharus] gracilirostris ScLATERand Salvin, Nom. Av. Neotr., 1873, 1. — Sharpe, 

 Hand-list, i, 1903. 



[Turdus] gracilirostris Gray, Hand-list, i, 1869, 259. no. 3780. 



CATHARUS GRACILIROSTRIS ACCENTOR Bangs. 

 CHIRIQ.UI NIGHTINGALE THRUSH. 



Similar to C. g. gracilirostris but with bill decidedly larger and 

 relatively much stouter. 



Adult male. — Length (skins), 137-147 (141); wing, 71.5-77 (74.5); 

 tail, 59-64 (61.7); exposed culmen, 13.5-14.5 (13.8); tarsus, 31.5-32 

 (31.8); middle toe, 17-17.5 (17.2).^ 



Adult female.— Length (skins), 134-141 (138); wing, 66-74 (70.9); 

 tail, 56-61.5 (59.4); exposed culmen, 12-14.5 (13.3); tarsus, 30-31.5 

 (30.7); middle toe, 16.5-17.5 (17).^' 



High mountains of northern Panama (Boquete; Yolcan de Cliiri- 

 qui). 



Catharus gracilirostris accentor Bangs, Proc. New Engl. Zool. Club, iii, Jan. 30, 

 1902, 50 (Volcan de Chiriqui, 5,000 to 11,000 ft.; coll. E. A. and O. Bangs). 

 [Catharus] accentor Sharpe, Hand-list, iv, 1903, 182. 



« Ten specimens. & Three specimens. cFour specimens. 



11422— vol 4—07 3 



