Genera of Humming Birds. 13 



sufficient to consider it as a distinct species, as the same 

 thing occurs in all the young males and adult females of 

 A. Heloiscz. 



. I have several specimens of this variety collected by me in 

 Oaxaea (Mexico) and in Guatemala. 



Genus VII. Stellula, Gould, Int. Troch. 1861, p. 90. 



Stellura, Muls. and Verr., Class Troch., 1865, p. 88. 



Type : T. Calliope, Gould. 



Bill longer than the head, straight and pointed. Wings 

 moderately long and sickle-shaped ; first primary rigid. Tail 

 short and truncate. Feet small, claws diminutive and 

 curved. 



Habitat, Mexico. 



18. Stellula calliope, Gould, P.Z.S. 1847, p. 11. 



Calofhorax calliope. Gray, Gq\i. Birds, vol. i., p. 113. 



Stellura calliope, Muls, Hist. Nat. des Ois. m^ t. iv., p. 87. 



Mexican Satellite, Gould, Mon. Troch., vol. iii, p. 142. 



La Stellure calliope, Muls, Hist. Nat. Ois, mouch. t. iv., p. 87. 



Male. — Upperside bronzy-green. Feathers of the throat 

 very long and narrow, metallic pink. Breast and abdomen 

 white. Flanks bronzy-green and buff. Undertail-coverts 

 white. Wings and tail purplish-brown. Bill black, base of 

 mandible flesh color. 



Total length, 2fin. Wing, \\. Tail, 1. Culmen, \. 



Female. — Upperside bronzy-green. Throat white speckled 

 with brown. Breast and abdomen white. Flanks and under- 

 tail-coverts buff. Median rectrices metallic bronzy-green, 

 tipped black, lateral buff at base, underneath a narrow 

 bronzy green band, then black with buff tips. Internally 

 they are buff at base, then black with a large white spot on 

 tips of the three outermost feathers on each side. 



This species Avas discovered in Mexico by Mr. Damien Floresi 

 d'Arcais. 



It is rather rare. I have killed several specimens near 

 Mexico. 



