iQi8. CATALOGUE or BIRDS OF THE AMERICAS CORY. 151 



Threnetes ruckeri SALVIN, Cat. Bds. Brit. Mus., XVI, 1892, p. 265; RIDGWAY, 

 BuU. U. S. Nat. Mus., No. 50, V, 1911, p. 336. 



Range: Panama and northwestern Colombia north to Nicaragua; 

 Guatemala? 



3 : Panama i ; Nicaragua 2. 



*Threnetes ruckeri fraseri (Gould). ERASER'S BARBED-THROAT. 



Clauds fraseri GOULD, Mon. Trochil., I, 1861, pi. 12 (Esmeraldas, northwestern 



Ecuador). 

 Threnetes frasert HARTERT, Nov. Zool., V, 1898, p. 493; SALVIN, Cat. Bds. Brit. 



Mus., XVI, 1892, p. 266. 

 Threnetes ruckeri fraseri HELLMAYR, Proc. Zool. Soc. Lond., 1911, p. 1177; 



CHAPMAN, Bull. Am. Mus. N. H., XXXVI, 1917, p. 279 (Barbacoas, Colombia). 



Range: Ecuador and western Colombia. 

 2: Ecuador (Pambilor). 



Threnetes ruckeri venezuelensis Cory* VENEZUELAN BARBED-THROAT. 

 Threnetes fraseri venezuelensis CORY, Field Mus. Pub., No. 167, Orn. Sen, I, 

 No. 7, 1913, p. 286 (Orope, Zulia, Venezuela). 



Range : Low-forested region of western Venezuela, 

 i : Venezuela (Orope) , the type. 



Threnetes longicauda Cory. b LONG-TAILED BARBED-THROAT. 



Threnetes longicauda CORY, Field Mus. Pub., No. 182, Orn. Ser., I, No. 8, 1915, 

 p. 301 (Jua, near Iguatu, Ceara, Brazil). 



Range: Northeastern Brazil. 



i: Brazil (Jua, Ceara), the type. 



Genus GLAUCIS Boie. 



Glaucis Boie, Isis, 1831, p. 545 (Type Trochilus hirsutus Gmelin). 



*Glaucis hirsuta hirsuta (GmeL). HAIRY HERMIT. 



Trochilus hirsutus GMELIN, Syst. Nat., I, 1788, p. 490 (Brazil). 

 Glaucis hirsuta GOULD, Mon. Trochil., I, 1861, pi. 5; SALVIN, Cat. Bds. Brit. 

 Mus., XVI, 1892, p. 41, part. 



Threnetes ruckeri venezuelensis (CORY) : Similar to Threnetes r. fraseri (GOULD) 

 from Colombia, but slightly darker and having the upper parts golden-bronzy green 

 (much less green than in fraseri) and the under parts averaging more buff y gray. 



b Threnetes longicauda CORY: Crown dull grayish brown, becoming rufous brown 

 on the occiput and nape; upper parts dull grayish green mixed with glittering green 

 (probably clear green in adult plumage) ; lores and ear coverts black; chin and middle 

 of upper throat blackish; rest of throat ochraceous cinnamon buff; breast and under- 

 parts grayish buff; wings purplish brown; tail much graduated and long; middle of 

 tail feathers bronzy green with narrow white tips and a subterminal dusky area; 

 four outer tail feathers bronzy green on basal portion for more than half their length 

 and very broadly tipped with white; upper mandible black, lower mandible pale, 

 the terminal part black. Wing, 48; middle tail feather, 48; outer tail feather 26 mm. 



