Genei a of Humming Birds. 1 1 1 



Mazatlan Humminiy-hird^ Gould. Mon. Troch., Suppl., 

 1886, p. 96. 



Habitat. — Mazatlan, Lower-California. 



il/(^/^.— Upperside reddish-bronze. Throat and upperpart 

 of breast metallic bluish-green. Underside bronzy-green, with 

 a coppery lustre. Undertail-coverts white. Wings pale 

 brown. Tail brownish-black, lateral feathers slightly tipped 

 with gray. Bill red, tip black. 



Total length, 3|in. Wing, il. Tail, i|. Culmen, \. 



The Type (from Elliot's collection) is now the property of 

 the Museum of Natural History, New York. 



"^153. Iache doubled.WI, Bourcier P.Z.S., 1847, P- 4^- 

 Hylocharis doubledayi, Gray, Gen. Birds, vol. i., p. 114. 



Thaumatias doubledavi, Bon. Consp. Gen. Av., 1850, vol. i., 

 p. 78. 



Cyanophaia doubledayi, Reich., Aufz. der Col., 1853, p. 10. 



Sapphironia circe, Bon. Rev. and Mag. Zool, 18 14, p. 156- 



Circe doubledayi, Gould, Mon. Troch., vol. v., p. 339. 



Doubleday's Humming Bird, Gould, Mon. Troch., vol. v., 

 P- 339- 



La Circe de Doubleday, Muls., Hist. Nat. Ois. Mou., 1875, 

 vol. ii., p. 45. 



Habitat. — Chihuitan (S. Mexico). 



Male. — Top of head metallic bluish-green. Upperside and 

 abdomen dark bronzy-green with a bluish shade on the 

 abdomen. Throat brilliant blue. Undertail-coverts dark 

 brown, edged with gray. Wings pale brown. Tail steel-blue 

 tipped with gray. Bill red, tip black. 



Total length, 3x^1"- Wing, i|. Tail, \^-^. Culmen, -Li. 



Bourcier's specimen is in Elliot's collection. 



^154. Iache NITIDA, Salv. and Godm. Ibis., 1889, p. 240. 



Dark blue Humming-bird. 



VOiseau mouche bleu fonce. 



Habitat. — Guerrero (Mexico). 



Male. — Closely allied to I. doubledayi, but the whole throat 



