y 8 Genera of Humming Birds. 



107. AVOCETTINUS EURYPTERUS, Lodd., P.Z.S., 1832, p. 7. 



Trochiliis georginae, Bourc, P.Z.S., 1847, P- 4^- 



Polytmus eurypterus, Gray, Gen. Birds, vol. i., p. 109. 



Avocettula eurypterus, Reich, Aufz. der Col;, 1853, P- ^• 



Delattria georgina, Bon., Rev. and Mag. ZooL, 1854, 

 p. 256. 



Opisthoprora eurypterus, Cab. and Hein., Mus. Hein., 

 i860, t. iii, p. 76. 



Purple tailed Avocet, Gould, Mon. Troch., vol. iii., p. 200. 



L' Avocettin euryptère, Muls., Hist. Nat. Ois. Mou., 1876, 

 t. ii., p. 265. 



Habitat. — Columbia. 



Male. — Head bronze, rest of upperside bronzy-green. 

 Median rectrices bronze, lateral bronzy-black with a green 

 gloss, outermost tipped with buffy-white. Throat, breast, and 

 centre of abdomen grayish-white, each feather tipped with 

 green. Sides of neck, breast, abdomen, and flanks, shining 

 green with rufous tinge. Lower part of abdomen, and 

 undertail-coverts rufous, slightly tinged with green. Wings 

 purplish-brown. Bill and feet black. 



Total length, 4in. Wing, 2\. Tail, 2 Culmen, \. 



Female (?). — Seems to be coloured exactly as the male, 

 with outermost rectrices tipped white. 



It is still a rare species in the collections. The tvpe, which 

 I believe is still in the Loddiges collection, was sent from 

 Popayan. 



Genus XXXVIII. Adelomyia, Bonaparte. Rev. and Mag., 



ZooL, 1854, p. 253. 



Adelisca, Cab. and Heine., Mus. Hein., i860, t. iii., p. 72. 



Type : T. melartogenys. Fraser. 



Bill straight, about equal to the length of the head. Tail 

 slightly rounded. Middle rectrices about the same length as 

 the lateral, outermost shortest. Wings long, primaries slightly 

 curved inward near the tips. Tarsi naked. Sexes alike. 



Habitat. — Venezuela, Columbia, Ecuador, Peru, and Bolivia. 



