Genera of Humming Birds. 357 



Blue-throated Sabre-wing, Gould, Mon. Troch., vol. ii., 

 p. 46. 



Le Caynpyloptere ensipenne, Muls., Hist. Nat. Ois. Mou., 

 1874, vol. i., p. 122. 



Habitat. — Trinidad and Tobago. 



Male. — Head brilliant metallic green, golden in certain 

 lights. Upperside shining green. Median rectrices dark 

 bronzy-green, the next one bluish-black, the others bluish- 

 black at base, rest pure white. Chin and throat dark metallic 

 lazuline-blue. Remainder of underside shining metallic 

 golden-green. Wings purplish-brown. Bill black. 



Total length, 5^in. Wing, 3. Tail, 2|. Culmen, \\. 



Female. — Differs from the male in having the centre of the 

 throat lazuline-blue and a white stripe from maxilla to ear- 

 coverts. Centre of breast and abdomen gray. Anal region 

 white. 



Total length, 5in. Wing, 2\. Tail, 2. Culmen, if. 



A few years ago, this species was sent abundantly from 

 Trinidad, but lately I have not seen any. 



Genus CXLIV. Saepiopterus, Reich., Aufz. der Colib., 



1853, p. II. 



Type : T. lazuhis, Vieillot. 



Bill curved, longer than the head. Nostrils covered by a 

 membrane. Wings long nearly reaching the end of tail ; 

 shafts of the three primaries in the males broad and flattened. 

 Tail rounded with a small pointed tip in median rectrices in 

 some species. Rectrices broad of the same length. Sexes 

 alike. 



Habitat. — Venezuela, Colombia, Ecuador, Trinidad and 

 Tobago. 



483. Saepiopterus lazulus, Vieillot, Tabl. Encycl., part ii., 



P- 557- 

 Trochilus lazulus, Bonnat., Encycl., Meth., 1791, vol. ii., 



P- 557- 



Trochilus falcatus, Less., Ois. Mou., 1829, p. 126. 



Campylopterus lazulus, Bon., Rev. and Mag. Zool., 1854, 

 p. 250. 



