364 
MACROCHIRES. 
a Brazil (Manchester Nat. Hist. Soc.) 1843. — b £, — c £ juv., 
— d f Trinidad (J. Taylor). 
a is a young bird most probably of this species, the locality Brazil 
assigned to it being erroneous. 
Discura. 
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 (fit at Stevenss ) 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 (J. Gonstancia) 1845. — e, — f 
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. 
Galothorax, G. R. Gray, List Gen. B. p. 13 (1840). 
1783. Calothorax lucifer. 
Gynanthus lucifer , Sw. Phil. Mag. New Ser. i. p. 442. 
Galothorax lucifer, Elliot, Syn. Troch. p. 118. 
Galothorax cyanopogon , Gould, Mon. Troch. iii. pi. 143. 
a Mexico (T. Mann) 1844. 
