358 BULLETIN 50, UNITEO STATES NATIONAL MUSEUM. 



two black areas (sometimes basal portion of culmen also) chestnut, 

 tbe rest of maxilla yellow, with green on middle portion of culmen ' 

 (more or less extensively) and along edge of middle portion of black ■ 

 tomial area; mandible black, with a basal V-shaped area of white; 

 base of maxilla, below nostril, with an embossed, enamel-like, usually | 

 sulcate, bar of white, yellowish white, or pale yellow; iris dark brown; ' 

 orbits dusky slate, with a crescentic space of pale olive-gray beneath | 

 eye; legs and feet light grayish olive-green." 



Young. — ^Exactly like adults in coloration, but texture of plimiage 

 dififerent, and coloration of bill duller, with "pattern" less distinct. 



Advit male.— Length, (skins), 283-305 (294); wing, 115-126 (122.4); 

 tail, 98-109.5 (104.4); cuhnen, 62.5-73 (66.8); tarsus, 31-35 (33.2); 

 outer anterior toe, 23.5-26 (24.7).^ 



AduU female.— Length, (skins), 257-311 (267); wing, 115-126.5 

 (120.1); tail, 95-108 (100); culmen, 52-61 (57.2); tarsus, 31.5-34 ; 

 (32.9); outer anterior toe, 23-26.5 (24.7)." ! 



Highlands of Costa Kica (Naranjo, Navarro, Cartago, and Birrfe, | 

 Cartago; La Palma de San Jose; Volcfin de Irazti; Volcdn de Tur- 

 rialba; Volc&n de Barba; Coliblanco; Guayabo; Monte Redondo; 

 Barranca, Volcdn de PoSs; Copey, Dota, and Santa Maria, Dota) and 

 western Panama (Boquete; Calov^vora; Santa F6; Calobre, south 

 slope of Volc^n de ChiriquI) . 



Aulacorhamphus cseruleogularis Gould, Proc. Zool. Soc. Lond., xxi, no. ccl, 

 July 25, 1854, 45 (Veragua, Panama); Ann. and Mag. N. H., 2d ser., xvi, 

 1855, 390 (Veragua).— Cassin, Proc. Ac. Nat. Sci. PHla., 1867, 121.— Salvin, 

 Proc. Zool. Soc. Lond., 1867, 157 (Santa Pe de Veragua, Panama); 1870, 211 

 (Calovevora, Veragua). 



Aulaeoramphus cseruleogularis Gould, Mon Ramphast., ed. 2, 1854, pi. 51 and 

 text. — BoucABD, Proc. Zool. Soc. Lond., 1878, 47 (Naranjo, Costa Rica.) 



Aulacorhamphus cxruleigularis Lawrence, Ann. Lye. N. Y., ix, 1868, 129 (Bar- 

 ranca, Dota, and Turrialba, Costa Rica). — Prantzixts, Joum. fur Om., 1869, 

 362 (Costa Rica).— Zeled6n, Anal. Mus. Nac. Costa Rica, i, 1887, 123 (Nar 

 ranjo de Cartago, Navarro de Cartago, Caitago, Volcan de Irazfl, and Monte 

 Redondo, Costa Rica). — Sclatbr, Cat. Birds Brit. Mus., xix, 1891, 159 

 (San Jos6, Costa Rica; Calobre, s. slope Volcan de Chiriqui, etc., Panama). — 

 Salvin and Godman, BioL Centr.-Am., Aves., ii, 1897, 561 (Volcan de Barba, 

 Birris, La Palma de San 3os6, etc., Costa Rica; Volcan de Chiriqui, etc. 

 Panama).— Bang8, Proc. New Engl. Zool. Club, iii, 1902, 33 (Boquete, 

 Chiriqui, Panama, 4,000 ft.). — Ridgwat, Condor, vii, 1905, 158, in text 

 (Coliblanco, Costa Rica).— Ferry, Pub. 146, Field Mus. N. H., 1910, 266 

 (Guayabo and Coliblanco, Costa Rica; habits). — Carriker, Ann. Carnegie 

 Mus., vi, 1910, 576 (Costa Rica; habits, etc.). 



[Aulacorhamphus:] cseruleigularis Sclater and Salvin, Nom. Av. Neotr., 1873, 110. 



Aulacorhynckus caeruleogularis Cabanis, Joxum. fiir Om., 1862, 330 (Costa 

 Rica; crit.). 



o Fresh colors of specimens shot by the author in Costa Rica. 

 6 Eleven specimens (ten from Costa Rica). 

 « Ten specimens, from Costa Rica. 



