1 86 Genera of Humming Birds. 



part of the back very deep dull green ; throat and chest 

 glittering greenish-blue, imperceptibly passing into the dull 

 brownish-black of the abdomen ; undertail-coverts brown with 

 a wash of dull blue in the centre of each feather ; a mark of 

 blue on each side at the insertion of the wing, forming an 

 indistinct band across the back ; uppertail-coverts bronzy- 

 green ; tail steel-black, rather short for the size of the bird 

 and slightly forked ; wings deep purplish-brown ; tarsi clothed 

 with intermingled grayish-white and brown feathers ; upper 

 mandible black ; basal half of the under mandible fleshy, the 

 apical half black. 



Total length, jfin. Bill, J. Wing, 2 T 1 B -. Tail, if. 

 " Gould, loc. cit." 



Type, Ex. Gould's Collection, still unique in the British 



Museum. 



Genus LXXXI. Saucerottia, Bon., Compt. Rend., 1850, 



p. 381. 



Erythronota, Gould, Int. Troch., 1861, p. 169. 



Eratopis, Heine., Journ. fur Ornith., 1863, p. 191. 



Erasuria, Hein., Journ. fur Ornith., 1863, p. 191. 



Lisoria, Muls., Cat. Ois. Mou., 1875, p. 11. 



TYPE : O. erythronota, Lesson. 



Bill longer than the head, straight, broad at base, graduating 

 to an acute point. Wings narrow and long, reaching the end 

 of tail. Tail slightly forked. Rectrices narrow, middle ones 

 shorter than the next one, which is also shorter than the third 

 one, the two outermost ones of same length and longest of all, 

 always steel-blue or greenish-black. Nostrils exposed. Feet 

 small. Tarsi clothed. Sexes nearly similar. 



Habitat. — Central America, Guiana, Venezuela, Columbia, 

 Trinidad, and West Indies Islands. 



267. Saucerottia erythronota, Less., Ois. Mou., 1829, 



p. 181. 



Ornismya erythronotus, Less., Rev. Zool., 1839, p. 19. 

 Polytmus erythronotus, Gray, Gen. Birds, vol. i., p. 108. 

 Chlorestes erythronotus, Reich., Troch. Enum., 1855, p. 4. 

 Hemithylaca erythronota, Cab. and Hein., Mus. Hein., 

 i860, t. iii. p. 37. 



