iQ4 FIELD MUSEUM or NATURAL HISTORY ZOOLOGY, VOL. XIII. 



Cyanomyia cyanocephala GOULD, Mon. Trochil., V, 1856, pi. 286; SALVIN, Cat. 



Bds. Brit. Mus., XVI, 1892, p. 197, part. 

 Amazilis cyanocephala cyanocephala RIDGWAY, Bull. U. S. Nat. Mus., No. 50, V, 



1911, p. 425; HELLMAYR, Nov. Zool., XX, 1913, p. 252, in text. 

 Trochilus verticalis LICHTENSTEIN, Preis.-Verz. Mex. Vog., 1830, p. i. 



Range: Southeastern Mexico, 

 i: "Mexico." 



*Amazilis cyanocephala guatemalensis (Gould). GUATEMALAN AZURE 

 CROWN. 



Cyanomyia guatemalensis GOULD, Introd. Trochil., 1861, p. 148 (Guatemala); 



SALVIN, Cat. Bds. Brit. Mus., XVI, 1892, p. 198. 

 Amazilis cyanocephala guatemalensis RIDGWEY, Bull. U. S. Nat. Mus., No. 50, V, 



191 1, p. 427. 



Range: Guatemala, British Honduras, Honduras and northern 

 Nicaragua. 



4: Nicaragua (San Raphael de Norte 2) and Guatemala 2. 



*Amazilis microrhyncha (Elliot}. SMALL-BILLED AZURE CROWN. 



Cyanomyia microrhyncha ELLIOT, Ibis, 1876, p. 316 (Honduras?); SALVIN, Cat. 



Bds. Brit. Mus., XVI, 1892, p. 197. 

 Amazilis microrhyncha RIDGWAY, Bull. U. S. Nat. Mus., No. 50, V, 1911, p. 428. 



Range : Honduras . 



Amazilis salvini (Brewster). SALVIN'S AZURE CROWN. 



Cyanomyia salvini BREWSTER, Auk, X, 1893, P- 2I 4 (Nacosari, Sonora). 

 Amazilis salvini RIDGWAY, Bull. U. S. Nat. Mus., No. 50, V, 1911, p. 429. 



Range: Known only from northwestern Mexico (State of Sinaloa) 

 and southern Arizona (Cochise County). 



Genus PHAEOPTILA a Gould. 



Phaeoptila Gould, Mon. Trochil., V, 1861, text to pi. 340 (Type Cyanomyia (?) 

 sordida Gould). 



*Phaeoptila sordida (Gould). DUSKY HUMMING BIRD. 



Cyanomyia (?) sordida GOULD, Ann. & Mag. Nat. Hist., IV, 1859, p. 97 (Oaxaca, 



Mexico). 

 Phaeoptila sordida GOULD, Mon. Trochil., V, i86i,pl.34O;ELLiox,Syn. Trochil., 



1879, p. 10; SALVIN, Cat. Bds. Brit. Mus., XVI, 1892, p. 63; RIDGWAY, Bull. 



U. S. Nat. Mus., No. 50, V, 1911, p. 367. 

 Phaeoptila zonura GOULD, Introd. Trochil., 1861, p. 170 (Bolanos, Jalisco). 



Range: Western and southern Mexico. 



6: Mexico (Guerrero 5, and Cuenemarca i). 



* 



Cf. Ridgway, Bull. U. S. Nat. Mus. No. 50, V, 1911, p. 367, in text. 



