2oo Genera of Humming Birds. 



to their base. Maxilla black, mandible black with a slight 

 indication of flesh-colour at the base. Feet black. 



Length of wing, 2 T 1 2-in. Tail, \. Culmen, ~^. "Elliot loc cit." 



This species is easily distinguished from all the others by 

 its black bill, differently coloured abdomen, and undertail- 

 coverts. 



It was dedicated by Mr. Elliot to the well-known American 

 Ornithologist, Mr. George N. Lawrence. 



The type is in the American Museum of Natural History of 

 New York. 



287. Amazilia VIRIDIGASTER, Bourc, Rev. Zool., 1843, P- I0 5 



Hylocharis viridigaster, Bon., Consp. Gen. Av., 1850 

 vol. i., p. 74. 



Saucerottia viridiventris, Reich., Aufz. der Col., 1853, P- 8 



Hemithylaca viridiventris, Cab. and Hein., Mus. Hein 

 i860, t. iii., p. 38. 



Pyrrhophaena viridigaster ) Gould, Int. Troch, 1861, p. 159 



Ariana viridigaster, Muls., Hist. Nat. Ois. Mou., 1874 

 t. i., p. 320. 



Green bellied Amazili, Gould, Mon. Troch., vol. v., p. 314 



l'Ariane à ventre vert, Muls., Hist. Nat. Ois. Mou., 1874 

 t. i., p. 321. 



Habitat. — Columbia. 



Male. — Forehead metallic green. Neck and back shining 

 green. Lower part of back and rump, grayish bronzy-brown, 

 passing into purple on the uppertail-coverts. Tail shining 

 violet with blue reflections. Underside metallic grass-green, 

 passing into smoky-brown on lower part of abdomen. Thigh 

 and tuft on anal region white. Undertail-coverts pale green- 

 ish-bronze, margined with light buff on some specimens, on 

 others margined with white. Wings purplish. Maxilla black. 

 Mandible flesh colour with black tip. 



Total length, 3|in. Wing, 2§. Tail, if. Culmen, ■§-. 



Female. — Upperside like the male, but less bright. Flanks 

 and abdomen smoky-brown, washed with green. Rufous tips 

 on lateral rectrices. 



Bourcier's type is in my collection. 



This species was discovered in Columbia, by Mr. Rieffer. 



