86 Genera of Humming Birds. 



Female. — Upperside bronzy-green. Underside white, spotted 

 with green. Undertail-coverts buff. Median rectrices dark- 

 bronze, lateral purplish-black, the tw^o outermost tipped white. 

 Bill and feet black. 



Total length, 3fin. Wing, i j. Tail, i^. Culmen, |-. 



^ii8. RamphomicroN dorsale, Salv. and Godm. Ibis., 1880, 



P 172- 



Simon's Thorn-bill, Gould, Mon. Troch. Suppl., 1886, p. 61. 

 le Ramphomicron de Signons, 



Male. — Above black, slightly shaded with greenish, the 

 rump narrowly bronzy-purple. Wings dusky. Tail deeply 

 forked, purplish-black. Sides of the head and neck deep 

 black. Throat very brilliant greenish-golden. Abdomen pale 

 dusky-brown, washed with greenish-golden, especially on the 

 flanks. Vent dull whitish, each feather marked down the 

 middle with a greenish spot. Bill short, a little curved, black. 

 Feet black. Iris dark brown. 



Total length, 4-|in. Wing, 2%. Tail, 2f . Culmen, f. 



Female. — Above green. Uppertail-coverts purplish-bronze. 

 Tail purplish-black, the outer feathers tipped white. Under- 

 neath whitish. Throat and flanks spotted with greenish-gold, 

 the middle of the throat marked with p^reenish-grold feathers. 

 Outermost rectrices, ifin. long; median, \\. 



This beautiful second species of Ramphomicron was dis- 

 covered in the Sierra Nevada of Santa Marta, Columbia, by 

 Mr. Simons. 



FAMILY V. LESBID^, 



OR Family of Train-Bearers. 



Bill short, straight, acutely pointed, compressed in the genus 

 Cyanolesbia. Head sometimes crested. Wrings long. Tail ex- 

 tremely long and deeply forked. Rectrices more or less broad 

 throughout theirlength and generally brilliantly coloured on the 

 upperside, rounded at tips. Throat of males more or less 

 brilliantly coloured. Tarsi bare. Feet rather large. A patch 

 of white feathers on each side of the lower part of the 

 abdomen. Sexes unlike. 



