lOO Genera of Humming Birds. 



golden-green. Abdomen and flanks bluish-brown. Tail shin- 

 ing violet-blue. Undertail-coverts bluish-green, margined with 

 white. Bill and feet black. 



Total length, 6in. Wing, 2i Tail, 3. Culmen, 5. 



This very rare species was sent from Columbia to Mr. A. 

 Nerkhorn. He submitted it to Hans von Berlepsch, who dedi- 

 cated it to his friend. 



It forms the passage of Lesbidae to Thaluranidae. 



FAMILY VI. THALURANIDAE, 



OR Family of Wood-Nvmphs. 



Bill black, longer than the head, sligtly curved. Body of 

 medium size. Underside, back, and wing-coverts brilliantly 

 coloured. In some species the forehead is also brilliantly 

 coloured. Wings long and narrow. Tail deeply forked. 

 Rectrices wide. Tarsi clothed. Sexes unlike. 



Type : Thalurania, Gould, P.Z.S. 1848, p. 13. 

 Genus XLVIII. Thalurania, Gould, P.Z.S. 1848, p. 13. 



MellisuGA, Boie. Isis., 1831, p. 545. 



Gl.AUCOPlS, Burm. Th. Braz., 1856, p. 333. 



Type: T. furcatus, GxneWn. 



Bill longer than the head, slightly curved. Wings long. 

 Tail forked. Sexes unlike. 



Habitat. — Costa - Rica, Veragua, Trinidad, Venezuela, 

 Guiana, Brazil, Colombia, Ecuador, Peru^ and Bolivia. 



138. Thalurania glaucopls, Gmel., Syst. Nat., 1788, vol. i., 



p. 497. 



Trochilus frontalis, Land. Ind. Ornith., 1790, vol. i., p. 318. 

 Ornismya glaucopis, Less, Ois. Mou., 1829, p. 175. 

 Polytnius glaucopis, Gray, Gen. Birds, vol. i., p. 108. 

 Coeligena fflaucopis, Reich., Troch., Enum., 1855, 

 P- 3- 



Glancopis frontalis, Burm., Th. Braz, 1856, p. 333. 



Thalurania lucix, Lawr., Ann. Lye. Nat. Hist., N.Y., 1862, 

 vol. vii., p. 2. 



