BIKDS OF NORTH AND MIDDLE AMERICA. 351 



Caribbean Slope of Nicaragua (Chontales; La Libertad; Santo 

 Domingo) and Costa Rica (Naranjo; Tucurriqui; Rio Sucio; Bonilla; 

 Guayabo; Juan Vinas; Valza) and southward through Panama 

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

 Fe, Santiago, and Cordillera de Tole, 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. Phila., 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 Tole, Veragua, 

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

 Nicaragua).— Frantzius, Joiurn. fiir Orn., 1869, 362 (Costa Rica).— Boucard' 

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

 Brit. Mus., xix, 1891, 153 (Tucurriqui, Costa Rica, etc.).— Zeledon, Anal. 

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

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

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

 etc., Panama; Rio Truando, Colombia).— Ridg way. Condor, vii, 1905, 156, 

 in text (Bonilla, Costa Rica).— Carriker, Ann. Carnegie Mus., vi, 1910, 675 

 (Costa Rica; habits). 



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



Genus AULACORHYNCHUS Gould. 



AulacorJiynchus Gould, Proc. Zool. Soc. Lond., 1834, 147. (Type, Pteroglossm 



sulcatus Swainson.) 

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

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



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

 Aulacops (emendation) Cabanis, Journ. fiir Orn., x, Sept., 1862, 331. (New name 



for AulacorampJius Gray) . 

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



1854, 4). (Type, Pteroglossv^ alhivitta Boissoneau.o) 



Rather small Ramphastid^ (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- 

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

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

 slightly decurved terminally; maxiUa distinctly concave or sunken 

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



« In Notes Orn. Coll. Delattr^, 1854, 84, footnote, the only species mentioned by 

 Bonaparte is Pteroglossus prasinus Lichtenstein. 



