234 Genera of Humming Birds. 



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



Female. — Like that of L. prevosti, excepting the lateral 

 rectrices underneath which are bluish-green at base, then 

 beautiful violet-purple, with a broad subterininal bar bluish- 

 green, and white tips. Same size as the male. 



I collected this species at Panama and Colon. I have also' 

 some specimens collected by Arce in Veragua. 



457. Lampornis VIRIDIS, Audub and Vieillot, Ois. Dor., 

 1802, vol. i., p. 34. 



Chalybura viridis, Reich., Aufz. der Colib., 1853, p. 10. 



A^yrtria viridis, Reich., Troch. Enuni., 1855, P- 7- 



Blue tailed Mango, Gould, Mon. Troch., vol. ii., p. 78. 



le Lampornis vert, Muls., Hist. Nat. Ois. Mou., 1874, vol. i.,. 

 p. 172. 



Habitat. — Porto Rico. 



Male. — Upperside shining bronzy-green showing a bluish 

 tinge on back, rump, and uppertail-coverts. Tail steel-blue 

 with greenish reflections. Underside shining green. Wings 

 purplish-brown. Bill black. 



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



Female. — Upperside golden-green, brownish on head. 

 Underside ashy white, tinged with green on the sides and 

 flanks. Median rectrices bronze-green. Laterals shining 

 dark blue on their inner webs, and golden brown on the outer 

 with white tips. It is a rare species in the Collections. 



Genus CXXXIL Avocettula, Reich., Syst. Av. Nat., 



1849, pl- 39- 



AvOCETTlNUS, Bon., Consp., Gen. Av., 1850, vol. i., p. 75. 



Strebloramphus, Cab. and Hein., Mus. Hein., i860, t. iii., 



P- 76- . . ^ . 



Type : T. recurvirostais, Swainson. 



Bill longer than the head, turned up at the point. Nostrils 

 exposed. Wings long and pointed, projecting over the tail. 

 Tail slightly rounded. 



Habitat. — Guiana. 



