Genera of Humming Birds. 25 



Male. — Forehead and crown shining greenish-blue. Above 

 the eyes a tuft of lengthened feathers, fiery crimson at base 

 chanjjing to bright gold at tip. Upperside golden-green. 

 Throat with a tuft of long feathers covering the middle of 

 breast, velvety black. Breast and abdomen pure white. Flanks 

 bronzy-green. Median rectrices olive-green, blackish at tip, 

 the next white with bronzy-green bar starting from near the 

 base to half their length, the remaining three white with a wide 

 black band in the middle. Bill and feet black. 



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



Female. — Upperside golden-green. Throat and abdomen 

 reddish white. Flanks golden-green. jNIedian rectrices bronzy- 

 green, lateral bronzy-green at base, changing to black, apical 

 half white. Bill black. 



This wonderful species was discovered by Prince of Wied 

 daring his voyage in Brazil, where it was abundant then ; it is 

 very seldom sent from that country now and it is rather scarce 

 in the collections. 



I have several specimens from Bahia. 



Genus XVI. Doricha, Keich, Aufz. der. Colib., 1853, p. 12. 



Elisa (Reich), Bon. Ann. Sc. Nat., 1854, p. 138. 



Myrtis, Cab and Heine, Mus. Hein., 1860, t. iii., 59. 



Dolicha, Heine, Journal fur Ornith., 1863, p. 208. 



Amathusia, Muls. and Verr, Class Troch., 1865, p. 85. 



Egolia, Muls. and Verr, Class Troch., 1 865, p. 86. 



Amalasia, Muls. Cat. Ois. m. 1875, p. 29. 



Amcdusia, Mnh. Hist. Nat. Ois. m. 1877, t. ix., p. 15. 



Type T. enicurus., Vieillot. 



Bill longer than the head, slender, curved for its whole length. 

 Wings moderate. Tail long, medium feathers nearly hidden in 

 their coverts, two outer ones nearly equal and longest. Feet 

 small. Sexes unlike. 



Habitat. — Bahamas, Mexico, Guatemala, Costa Eica and 



Veragua. 



37. Doricha enicura, Vieill, Nouv. Diet. Hist. Nat., 1817, t. 23, 



p. 429. 



Ornysmia heteropygia, Less. Ois. Mouch., 1829, p. 72. 



Trochilus swainsoni, Less. Trochil., 1831, p. 167. 



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