24 



SYNOPSIS OF THE HUMMING-BIRDS. 



Fig. 10. 



Ch. Bill longer than 

 the head, curved, broad, 

 and flat at base. Wings 

 ample, shafts of prima- 

 ries in the male, broad 

 and flat on their basal 

 half. Tail ample, round- 

 ed, feathers broad. Size 

 large. 



Range. Mexico, Cen- 

 tral America, Tobago, 

 Venezuela, Guiana, 

 Northern Brazil, Columbia, Ecuador, and Peru. — Ten species are acknowledged. 



Campt/lopterua Jargipennia, Cayenne. Terreaa:t, 



Keij to the species. 



A. Entire under surface dark gray, not metallic. 



a. Lateral rectrices largely tipped with white. 



b. Lateral rectrices slightly tipped with white. 



B. Under parts entirely rufous, not metallic. 



a. Lateral rectrices buff with a subterminal black bar. 



b. Lateral rectrices uniform buff. 



C. Under parts metallic. 



a. Tail chestnut tipped with green. 



b. Tail. Lateral feathers, basal huif black, rest white. 



a'. Upper and under surface violet-blue. 



b'. Upi)er and under surface golden-green. Throat blue. 



D. U"der surface dark gray. Throat blue. Top of head of both se.xes 



metallic-green. Lateral rectrices steel-blue. 



E. Under surface dull bronzy-green. 



a. Lateral rectrices greenish-bronze tipped with white. 



b. Lateral rectrices, base green, remainder black tipped with white. 



1. Campylopterus largipennis. 



Trochilus largqiennu, Bodd., Tab. Plan. Enluni. d'Aubcnt, pi. 672, fig. 2 (1783). 



Trochilus cinereus, Gmel., Syst. Nat. (1788), p. 490, sp. 41. 



Trochilus campi/lopfertis, Gmel , Syst. Nat. (1788), vol. i, p. 499. 



Trochilus latipennis, Lath., Ind. Orn., vol. i, p. 310 (1780). — "Vieill., Nouv. Diet. Hist. Nat., torn, vii, p. 3C5. 



Ornismya latipennis, Less., Ois. Mouch., p. 121, pi. 34 (1829). 



Pohjtmus largipennis, Gray, Gen. Birds, vol. i, p. 107. 



Campylopterus latipennis, Bon., Consp. Gen. Av., vol. i, p. 71. — Reich., Aufz. der Colib., p. 11.— Id., Tioch. 



Enum., p. 9, t. 802, fig. 48G5-G6.— Bon., Rev. and Mag. Zool. (1854), p. 250.— Gould, Mon. Trocli., vol. 



ii, pi. 48 — Id., Intr. Trocb., octavo ed., p. 53. 

 Campylopterus largipennis, Cab. and IIein., Mus. Hein. Th., iii, p. 12 (I860).— Mdls., Hist. Nat. Ois. Moucb., 



torn, i, p. 119. 



Hah. Guiana. 



Adult. Head, upper surface, and flanks grass-green. Wings purplish-brown. 

 Median rectrices dark green, next ou either side, green at base, remaining part 



