278 Messrs. Salvin and Elliot on the Trochilidae. 



Threnetes leucurus, Gould, Mon. Troch. vol. i. pi. 13. ; id. 

 Intr. Troch. p. 40. 

 Hab. Guiana. 



We have the following specimen : — 

 One, Surinam {Gould), Mus. D.G.E. 



Threnetes cervinicauda. 



Threnetes cervinicauda, Gould, P. Z. S. 1854, p. 109; id. 

 Mon. Troch. vol. i. pi. 14 ; id. Intr. Troch. p. 40. 



Hab. Upper Amazonia, Ecuador, and Columbia. 



Our specimens are : — 



One, Ecuador (Gould), two, ditto (Buckley), Mus. D.G.E. ; 

 one, Bogota (Gould), one, Ecuador (Buckley), one, Eastern 

 Peru (Hauxwell), Mus. S. & G. 



Threnetes antoni^e. 



Trochilus antonice, Bourc. & Muls. Ann. Soc. d'Agric. de 

 Lyon (1846), p. 329. 



Threnetes antonice, Gould, Mon. Troch. vol. i. pi. 15 ; id. 

 Intr. Troch. p. 40. 



Hab. Guiana. 



Our specimens are : — 



One, Cayenne ( Verreaux) , one, ditto ( Ver dey), Mus. D.G.E. 



^Threnetes ruckeri. 



Trochilus ruckeri, Bourc. P. Z. S. 1847, p. 46. 



Glaucis ruckeri, Gould, Mon. Troch. vol. i. pi. 11 ; id. Intr. 

 Troch. p. 39. 



Glaucis fraseri, Gould, Mon. Troch. vol. i. pi. 12 ; id. Intr. 

 Troch. p. 39. 



Hab. Central America and Ecuador. 



This is not an uncommon species in the southern portion 

 of Central America, and, according to Eraser, extends south- 

 wards into Ecuador. Specimens from the latter country have 

 been separated by Mr. Gould, and called Glaucis fraseri in 

 his monograph of this family. We have compared Mr. 

 Gould's specimen of G. fraseri with those before us from dif- 

 ferent parts of Central America, and consider it to be merely 

 T. ruckeri in immature plumage, and in no way worthy of 



