Genera of Humming Birds. 91 



Male. — Head and neck brownish green. Back and upper 

 tail coverts dark crimson. Tail, basal half blackish-brown, 

 remainder metallic crimson wdth large velvety black spots at 

 tips. Throat metallic grass-green, remainder of underside 

 brownish-green. Undertail coverts pale buff with a central 

 line bronzy-green. Wings brown. Bill and feet black. 



Total length, 6^in. Wing, 2\. Tail, 4. Culmen, ^. 



Female. — Like the preceding species, but the tail is dark 

 crimson. 



I have a large series of this species collected by Buckley, 

 near to la Paz, Bolivia. 



Genus XLV. Lesbia, Lesson, Ind. Gen. et Syn. des 

 Ois. du Genre Trochilus, 1832, p. 17. 



Cvnanthus, Bon. Consp. Gen. Av., 1850, p. 81. 

 Agaclyta, Cab. et Hein. Mus. Hein., i860, t. iii., p. 70. 

 Psalidoprymna, Cab. et Hein., Mus. Hein., i860, p. 52. 

 Typp: : Lesbia niina, Lesson. 



Bill short, straight. Tail deeply forked, rectrices broad. 

 the outermost very long. Throat in males brilliantlv coloured. 

 Sexes different. 



Habitat. — Columbia, Ecuador, Peru and Bolivia. 



124. Lesbia xuna, Less., Suppl. Ois. Mou, p. i6g. 



Ornisniya Gouldi, d'Orb et Laf. Syn. Av., t. ii., p. 27. 



Cynantlius bifiircatus, Bon. Consp. Gen. Av., 1850, p. 81. 



Psalidoprymna bifiircata, Cab. and Hein., Mus. Hein., i860,, 

 t. iii., p. 53. 



Nouna Koali, Gould, Mon. Troch., vol. iii., p. i6g. 



La Lesbie Nana, Muls., Hist. Nat. Ois. Mou., 1876, vol. iii., 

 p. 291. 



Habitat.— V^xw. 



Male. — ^L^pperside dark bronzy-green. Rectrices black at 

 base, all but the outermost ones with their apical half metallic 

 grass green, the outermost ones black, with a slight metallic 

 green tip. Throat metallic grass green. Sides of neck, 

 breast and flanks bronzy-green, washed with rufous on lower 

 part of abdomen, beneath which is a patch of white feathers. 



