342 Genera of Humming Birds. 



Trochilus atratus, Licht., Doubl., p. 14. 



Trochiliis leiicopygiiis, Spix., Av. Bras., 1824, t. i., pi. 81. 



Mellisuga atra, Shaw, Gen. Zool., t. xiv., p. 243. 



Topaza atra, Gray, Gen. Birds, vol. i., p. iio. 



Florisuga atra, Bon., Consp., Gen. Av., vol. i., p. 74. 



Florisuga fusca, Reich., Aufz. der Colib., 1853, p. 14. 



Pied Jacobin, Gould, I\Ion. Troch, vol. ii., p. 115. 



la Florisuge demi denil, Muls., Hist. Xat. Ois. Mou., 1876, 

 t. ii.. p. 184. 



Habitat. — Brazil, Colombia, and Ecuador. 



Male. — Head, neck, and upper part of back black. 

 Remainder of upperside dark bronzy-green, appearing black 

 in certain lights. Uppertail-coverts dark bronzy-green, 

 sometimes with reddish reflections. Median rectrices dark 

 shining-green, purplish in some specimens. Laterals white 

 tipped with purplish-brown. Underside black with shiny 

 dark green reflections on throat in certain lights. Flanks 

 white. Undertail-coverts purplish brown. Wrings purple- 

 brown. Upper and under wing-coverts greenish-bronze. 

 Bill black. 



Total length, 5in. Wing, 3|-. Tail, 2\. Culmen, |^. 



Female or Young Male. — Upperside brownish-black. 

 Uppertail-coverts purplish-black margined with rufous. Tail 

 purplish excepting the rectrice near the outermost one, which 

 is ^^ hite on its external web, and the rest purplish, outermost 

 one white. Underside sooty-brown with a dark reddish- 

 rufous band on each side of throat. Undertail-coverts dark 

 bronze, margined with white or rufous. Flanks white. 



Total length, 4èin. ^^'ing, 2. Tail, 2. Culmen, |-. 



My specimens of this species were collected in Brazil, 

 Colombia, and Ecuador. 



My specimen from Colombia is much smaller, and has more 

 white on flanks. 



Its size is as follows : — Total length, 4|in. Wing, 3. 

 Tail, \\. Culmen, f. 



