214 Genera of Humming Birds. 



This splendid species was discovered in Ecuador by Bourcier, 

 who dedicated it to Sir William Jardine, the celebrated 

 Ornithologist. My specimens were collected in Ecuador, by 

 Buckley. 



Genus LXXXVI. Topaza, Gray, List. Gen. Birds, 1840, 



P- 13- 

 POLYTMUS, Boie. Isis., i83i,p. 545. 

 Lampornis, Reich., Syst. Av. Nat., 1849, t- xxxix. 

 Type: T. pella,\jix\w€. 



Bill stout, curved and acutely pointed, longer than the head. 

 Wings long reaching the tips of lateral rectrices. Tail 

 pointed. Median rectrices of the same length as outermost 

 ones. Eeather next to the middle one, narrow and 



elongated, lu ice as long as the longest lateral, and crossing 

 each other at the tips of the other rectrices, the two next to the 

 outermost, slightly and gradually longer than the middle and 

 outermost ones. Tarsi bare. Feet large. Sexes unlike. 



Habitat. — Guiana and Rio Negro on the Amazon. 



306. Topaza Pella, L., Syst. Nat., 1766, vol. i, p. 189. 



Trochilus paradiseus, L., Syst. Nat., 1766, vol. i, p. 189. 



Falcinelliis gutture viridi, Klein., Aves, N. xv., p. 103. 



Polytmus surinamensis, Briss. Orn., t. iii., p. 690. 



Certhia surinamensis, Spal., Vog., t. i., p. 13. 



De Topaz Kehlige Kolibri, Schmid., Vog., t. xlviii., p. 61. 



Colibri a longue queue de Cayenne, Buff, Hist. Nat. Gis., t. 

 vi., p. 46. 



Lampornis pella, Jard, Nat. Libr. Hum. Birds, vol. ii., p. 155. 



Topaz Humming Bird, Shaw, Zool., Misc., pi. 513. 



Crimson Topaz, Gould, Mon. Troch., vol. ii., p. 66. 



Le Colibri-topaze, Muls., Hist. Nat. Gis. Mou., 1875, t. ii., 

 p. 124. 



Habitat. — Guiana. 



Male. — Head, lores, and a broad line encircling the throat 

 jet-black. Upperside shining purple-red, changing to orange- 

 red on rump. Uppertail-coverts shining gold. Median 



