176 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. XIII. 



Agyrtrina viridiceps (Gould). GREEN-HEADED EMERALD. 



Thaumatias viridiceps GOULD, Proc. Zool. Soc. Lond., 1860, p. 307 (Ecuador); 



Id., Mon. Trochil., V, 1861, pi. 295. 

 Agyrtria viridiceps SALVIN, Cat. Bds. Brit. Mus., XVI, 1892, p. 181; CHAPMAN, 



Bull. Am. Mus. N.H., XXXVI, 1917, p. 286 (Ricaurte, southwestern Colombia). 



Range: Western Ecuador and southwestern Colombia. 

 2: Ecuador (Paramba). 



*Agyrtrina milleri (Bourcier). MILLER'S EMERALD. 



Trochilus milleri BOURCIER, Proc. Zool. Soc. Lond., 1847, p. 43 (Rio Negro). 

 Thaumatias milleri GOULD, Mon. Trochil., V, 1859, p. 296. 

 Agyrtria milleri ELLIOT, Syn. Trochil., 1879, p. 203; SALVIN, Cat. Bds. Brit. Mus. 

 XVI, 1892, p. 182 . 



Range: Northern Brazil, Venezuela and Colombia. 

 2 : Colombia. 



Agyrtrina hollandi (Todd)* HOLLAND'S EMERALD. 



Agyrtria hollandi TODD, Proc. Biol. Soc. Wash., XXVI, 1913, p. 173 (El Dorado, 

 Rio Cuyuni, Venezuela). 



Range: Venezuela. 



Agyrtrina nitidifrons (Gould). BRILLANT-FRONTED EMERALD. 



Thaumatias nitidifrons GOULD, Proc. Zool. Soc. Lond., 1860, p. 308 (Type 

 locality ? = Para b ?); Id., Mon. Trochil., X, 1861, p. 297. 



Agyrtria nitidifrons ELLIOT, Syn. Trochil., 1879, p. 205; SALVIN, Cat. Bds. Brit. 

 Mus., XVI, 1892, p. 183; HELLMAYR, Nov. Zool., XIII, 1906, p. 376. 



Range: Northeastern Brazil. 



*Agyrtrina bartletti (Gould). BARTLETT'S EMERALD. 



Thaumantias bartletti GOULD, Proc. Zool. Soc. Lond., 1866, p. 194 (Upper 



Ucayali, eastern Peru). 

 Agyrtria bartletti ELLIOT, Syn. Trochil., 1879, p. 205; SHARPE in Gould's Mon. 



Trochil., 1885, pi. 50. 



Range: Eastern Peru. 



4: Peru (Rioja i, Moyobamba i, and San Ramon 2). 



*Agyrtrina lactea (Lesson). SAPPHIRE-BREASTED EMERALD. 



Ornismya lactea LESSON, Hist. Nat. Ois.-Mouches, 1829, pi. 56 (Southeastern 

 Brazil). 

 Hylocharis lactea SALVIN, Cat. Bds. Brit. Mus., XVI, 1892, p. 247. 



Range: Southeastern Brazil. 

 2: "Brazil." 



Agyrtrina hollandi (TODD): "With a general resemblance to A. milleri (BOUR- 

 CIER), but crown bright blue (not greenish blue); under parts less extensively white; 

 sides of the throat and breast prominently spangled with light blue; and upper 

 parts much darker green." (Todd, I.e.). 



b Cf. Hellmayr, I.e. 



