364 MACROCHIRES. 



a Brazil (Manchester Nat. Hist. Soc.) 1843. b , c $ juv., 

 d $ Trinidad (J. Taylor}. 



a is a young bird most probably of this species, the locality Brazil 

 assigned to it being erroneous. 



DlSCURA. 

 Discura, Reichenbach, Aufz. d. Col. p. 8 (1853). 



1780. Discura longicauda. 



Trochilus longicaudus, Gm. Syst. Nat. i. p. 498. 

 Discura longicauda, Gould, Mon. Troch. iii. p. 126. 

 a (Bt at Stevens s) 1846. 6 (Graham) 1849. 

 A Brazilian species. 



TROCHILUS. 

 Trochilus, Linnaeus, Syst. Nat. i. p. 189 (1766) partim. 



1781. Trochilus colubris. 



Trochilus colubris, Linn. 1. s. c. p. 191 : Gould, Mon. Troch. 

 iii. pi. 131. 



a, b, c, d Guatemala (/. Constancia) 1845. e, / 

 Canada (Barnes) 1848. 



SELASPHORUS. 

 Selasphorus, Swainson, Faun. Bor. Am. ii. p. 496 (1831). 



1782. Selasphorus platycercus. 



Trochilus platycercus, Sw. Phil. Mag. New Ser. i. p. 441. 

 Selasphorus platycercus, Gould, Mon. Troch. iii. pi. 140. 

 a Mexico (T. Mann) 1844. 



CALOTHORAX. 

 Calothorax, G. R Gray, List Gen. B. p. 13 (1840). 



1783. Calothorax lucifer. 



Cynanthus lucifer, Sw. Phil. Mag. New Ser. i. p. 442. 

 Calothorax lucifer, Elliot, Syn. Troch. p. 118. 

 Calothorax cyanopogon, Gould, Mon. Troch. iii. pi. 143. 

 a Mexico (T. Mann) 1844. 



