BIBDS OP NORTH AND MIDDLE AMEEICA. 351 



Caribbean Slope of Nicaragua (Chontales; La Libertdd; Santo 

 Domiago) and Costa Kica (Naranjo; Tucurriqui; Kio Sticio; Bonilla; 

 Guayabo; Juan Vifias; Valza) and southward through Panamfi, 

 (Lion Hill; Panama,; Boquete de Chitra; Calov^vora, Cocuyos, Santa 

 F6, Santiago, and CordUlera de T0I6, Veragua) to northwestern 

 Colombia (Truando Falls). 



Selenidera spectabilis Cassin, Proc. Ac. Nat. Sci. Phila., ix, 1857, 214 (Cocuyos 

 de Veragua, Panama; coll. Ac. Nat. Sci. Phila.); x, 1858, 178; 1867, 117; 

 Journ. Ac. Nat. Sci. PWla., iv. 1858, 5, pi. 1. — Lawrence, Ann. Lye. 

 N. Y., vii, 1862, 474 (Panama); ix, 1868, 129 (Costa Rica).— Sclater and 

 Salvin, Proc. Zool. Soc. Lond., 1864, 366 (Panama). — Salvin, Proc. Zool.' 

 Soc. Lond., 1867, 157 (Santa Fe, Santiago, and Cordillera de T0I6, Veragua, 

 Panama); 1870, 211 (Calovevora, Veragua); Ibis, 1872, 313, 323 (Chontales, 

 Nicaragua). — PRANTZitrs, Journ. fiir Orn., 1869, 362 (Costa Rica).-»-BoTroARD, 

 Proc. Zool Soc. Lond., 1878, 47 (Naranjo, Costa Rica). — Sclater, Cat. Birds 

 Brit. Mus., xlx, 1891, 153 (Tucurriqui, Costa Rica, etc.). — Zelbd6n, Anal. 

 Mus. Nac. Costa Rica, i, 1878, 123 (Rio Sucio, Costa Rica). — Salvkt and 

 GoDMAN, Biol. Centr.-Am., Aves, ii, 1896, 558 (La Libertad, Santo Domingo, 

 J etc., Nicaragua; Naranjo, etc., Costa Rica; Cocuyos de Veragua, Lion Hill, 



§ etc., Panama; Rio Truando, Colombia). — Ridgway, Condor, vii, 1905, 156, 



in text (Bonilla, Costa Rica). — Carrikbh, Ann. Carnegie Mus., vi, 1910, 575 

 (Costa Rica; habits). 

 [Selenidera] spectabilis ScIatee and Salvin, Nom. Av. Neotr., 1873, 109. 



Genus AULACORHYNCHUS Gould. 



Aulacorhynchics Gould; Proc. Zool. Soc. Lond., 1834, 147. (Type; Pteroghssus 



sulcatits Swainson.) 

 Aulacoramphtis (emendation) Gray,. List Gen. Birds, 1840, 50. 

 AulacoThamphus (emendation) Sclater, Proc. Zool. Soc. Lond., 1856, 308; Cat. 

 I Birds Brit. Mus., xix, 1891, 153. 



.4uiacops (emendation) Cabanis, Journ. fur Orn., x, Sept., 1862, 331. (New name 



for Aulacmamphus Gray). 

 Ramphoxanthns Bonaparte, Ateneo Italiano, ii, 1854, 119 (Consp. Volucr. Zygod., 



1854, 4). (Type, Pteroglossua albivitta Boissoneau.") 



Rather small Ramphastidse (length about 290-370 mm.) with 

 maxilla more or less strongly concave laterally and general coloration 

 green. 



Bill about three-fifths as long as wing, broad basally (its width at 

 base greater than its depth at same point), gradually narrowed 

 anteriorly; cuhnen strongly arched from base, broadly rounded, 

 strongly decurved terminally, the tip of maxilla conspicuously un- 

 cinate; gonys as long as or decidedly longer than mandibular rami, 

 broadly rounded, more or less sulcate basaUy, distinctly to very 

 slightly decurved terminally; maxilla distinctly concave or sunken 

 laterally; base of both maxiUa and mandible with a raised, enamel- 



"^ In Notes Orn. Coll. Delattr6, 1854, 84, footnote, the only species mentioned by 

 Bonaparte is Pteroglossus pradnus Lichtenstein. 



