30 Genera of Humming Birds. 



Male. — Upperside bronzy-green. Throat metallic amethyst, 

 beneath which is a band of dull white. Flanks green. Abdo- 

 men gray. Undertail-coverts green edged with gray. Central 

 tail feathers green, lateral purplish brown. Bill black. 



Total length, 3^ in. Wing, If. Tail, \\. Culmen, '%. 



Female. — Upperside golden-green. Underside pale gray. 

 Throat spotted with brown. Medium rectrices bright green, 

 laterals have base purplish-gray washed with green, remaining 

 part black with white tips. Slightly smaller than male. 



It is rather common in Brazil and Guiana. 



43. Calliphlox koraimae, Boucard, H. Bird, vol. i., p. 52. 

 RorairiuCs Arnethyst. 

 UAiyiethyste de Roraima. 

 Habitat. — Koraima, B. Guiana. 



Male. — Upperside dark bronzy-green. Throat metallic ame- 

 thyst-red as in Selasphoriis platycei'cus, beneath which is a 

 narrow band of white. Abdomen and flanks green washed with 

 gray. Upper and undertail-coverts green. Tail purplish-brown. 

 Bill black. 



Total length, 31 in. Wing, If. Tail, If. Culmen, f . 



Female. — Upperside bronzy-green. Throat white with a 

 central spot, amethyst-red, beneath which is a narrow grayish 

 band. Sides of neck and breast golden-green. Flanks, abdomen 

 and undertail-coverts, rufous. Tail purple-brown with rufous 

 tips. Bill black. 



This species was discovered by Mr. Henry Whitely at 

 Roraima, British Guiana. 



Types in Boucard's Museum. 



44. Calliphlox mitchelli, Bourc, P.Z.S., 1847, p. 47. 

 Mellisuga mitchelli, Gray, Gen. of Birds, vol. i., p. 113. 

 Calothorax mitchelli, Reich., Aufz. der Colib, 1853, p. 13. 

 Lucifer vtiitchelli, Reich. Troch. Enum., 1855, p. 10. 



Tryphaena Tnitchelli, Bon. Rev. and Mag. Zool., 1854, 

 p. 257. 



MiichelVs Amethyst, Gould., Mon. Troch., vol. iii., p. 160. 



Le GaUiphlox de Mitchel, Muls., Hist. Nat. Ois. m. vol. iv., 

 p. 50. 



Habitat. — Ecuador. 



