362 TKOCIIILI. 



c. Under tail-coverts shiuiug green; abdomen 

 rich greenish or reddish copper. 



e . Upper tail-coverts and central rectrices 



shining green nwsqiwra, p. 3(39. 



/'. Upper tail-coverts purplisli coppery 



green, central rectrices purple-black . . isaacsoni, p. 369. 

 (/. Under tail-coverts green ; under surface 

 greenish or bronzy green. 

 g' , Tibial tut'ts half white, half pale chest- 

 nut. 



f". Under surface greenish awrelice, p. 370. 



q". Under surface bronzy green russata, p. 370. 



h' . Tibial tut'ts pale chestnut assimilis, p. 371. 



e. Under tail-coverts and under surface dark 

 grey. 

 i'. Tibial tufts wholly white hu/ens, p. 371. 



f . Tibial tufts half white, half pale chestnut, squumata, p. 371. 

 /. ' Under tail-coverts grey, tinged with bluish 



green and edged with white incultus, p. 37:^. 



1. Eriocnemis derbyi. 



TrochUus derhyi, Bel. i^- Bourc. liev. Zool. 1846, p. 306. 



Eriopus derbjd, Gould, P. Z. S. 1847, p. 17 ; Bp. Cunsp. Ai: i. p. 80. 



Eriocnemis y. Threptia derbj-i, lieich. Aufz. d. Col. p. 9; id. Troch. 



Enuni. p. 6, pi. 7il8. If. 46(30-7, pi. 741. if. 4698-9. 

 Eriocnemys derbyanus, Bp. liev. Zool. 1854, p. 252. 

 Eriocnemis derbyanus, Gould, Moii. Troch. iv.pl. 279 (May 1858). 

 Eriocnemis derbiana, Gould, Intr. Troch. p. 145 ; Muls. Ann. Soc. 



Linn. Lyon, xxii. p. 218 ; Elliot, 8yn. Troch. p. 189 ; Tacz. Orn, 



Per. i. p. 395. 

 Erebenna derbyi, Muls. Sf Verr. Class. Troch. p. 66. 

 Eriocnemis derbyi, Muls. Hist. Nat. Ois.-Mouches, iii. p. 40. 

 Hylocharis derbyi, Gray, Hand-l. B. i. p. 153. 



Adult male. Upper surface rich shining bronze-green, reddish 

 bronze on the rump ; the longer tail-coverts brilliant glittering 

 green ; under surface glittering golden green, tinged with bronze on 

 the sides of the throat ; under tail-coverts very brilliant glittering 

 green ; tibial tufts black ; tail nearly black, the outermost rectrices 

 pointed, the outer web being almost obsolete ; bill black. Total 

 length about 3-8 inches, wing 2-3 ; tail, central rectrices 1-1, lateral 

 1-3 ; bill 0-95. 



Female. Similar to the male, but with the forehead tinged with 

 bluish green, the bases of the feathers of the throat white, and the 

 tibial tufts white. 



Bab. Southern Colombia and the adjoining part of Ecuador. 



a-d. (5 ad. ; e-g. Volcan de Purace, Colombia Gould Coll. 



5 ad. sk. (Lelattre). 



h-j. d ad. sk. Near Pasto, Colombia (Leh- Salvin-Godman & 



mann). Gould Colls. 



k. S iid. : /, m. Ecuador (Buckley). Salvin-Godman Coll. 



2 ad. sk. 



M, o. S ad. ; 2), Ecuador. Gould \- Sclater 



q. 5 ad. sk. ' Colls. 



