304 Field Museum of Natural History — Zoology, Vol. XIII. 



Atthis heloisa ellioti Ridgway, Bull. U. S. Nat. Mus., No. 50, V, 191 1, p. 594. 



Range: Guatemala. 



2: Guatemala (Vol. Fuego i, ''Guatemala" i). 



Atthis heloisa morcomi {Ridgway). Morcom's Hummingbird. 



Atthis morcomi Ridgway, Auk, 1898, p. 325 (Huachuca Mts., Arizona) ; Hartert, 



Das Tierreich, 1900, p. 211; Swarth, Pacific Coast Avif., No. 4, 1904, p. 19. 



Atthis heloisa morcomi Ridgway, Bull. U. S. Nat. Mus., No. 50, V, 191 1, p. 595. 



Range: Southern Arizona (Huachuca Mts.). 



Genus STELLULA Gould. 



Stellula Gould, Introd. Trochil., 1861, p. 90 (Type Trochilus calliope Gould). 



*Stellula caliope (Gould). Calliope Hummingbird. 



Trochilus (Calothorax) caliope Gould, Proc. Zool. Soc. Lond., 1847, p. 11 

 (Mexico). 



Calothorax calliope GotrLD, Mon. Trochil., Ill, 1867, pi. 142. 



Stellula caliope Elliot, Syn. Trochil., 1879, p. 115; Baird, Brewer and Ridg- 

 way, Hist. N. Am. Bds., II, 1874, P- 445. pl- 47. Fig- 6; Salvin, Cat. Bds. 

 Brit. Mus., XVI, 1892, p. 362; Hartert, Das Tierreich, 1900, p. 211; Ridg- 

 way, Bull. U. S. Nat. Mus., No. 50, V, 191 1, p. 588. 



Range: Western United States and western British Colombia, east 

 to Montana, Colorado, Arizona, New Mexico and western Texas; south 

 in winter to central and western Mexico. 



5: Montana (Colombia Falls) 2; Mexico 3. 



Genus MELLISUGA Brisson. 



Mellisuga Brisson, Om., Ill, 1760, p. 694 (Type Trochilus minima Linnaeus). 



*Mellisuga minima {Linnaeus). Vervian Hummingbird. 



Trochilus minimus Linnaeus, Syst. Nat., ed. 10, I, 1758, p. 121 ("America" = 

 Jamaica). 



Mellisuga minima Gould, Mon. Trochil., Ill, 1861, pl. 133; Cory, Auk, 1886, 

 P- 354. part; Id., Bds. West Indies, 1889, p. 149, part; Id., Cat. Bds. West 

 Indies, 1892, p. 13, part (Jamaica); Salvin, Cat. Bds. Brit. Mus., XVI, 1892, 

 p. 409, part (Jamaica); Scott, Auk, 1892, p. 277 (Jamaica); Ridgway, Bull. 

 U. S. Nat. Mus., No. 50, V, 191 1 (Jamaica). 



Mellisuga humilis Gosse, Bds. Jamaica, 1847, p. 127; Id., lUustr. Bds. Jamaica, 

 1849, pl. 21. 



Range: Island of Jamaica. 

 4: Jamaica, 



