90 SYNOPSISOFTIIE HUMMING-BIRDS. 



iaczanon-sl-i, I ascertained, by comi)aring it with specimens in my collection, that it 

 was a young male of the present species. 



2. Heliangelus strophianus. 



Trochihis ( ?) sfropJu'anus, Gould, P. Z. S. (1846), p. 4,5. 



Mellisuga stroiihiamis, Gray, Gen. Birds, vol. i, p. 112, sp. 39. 



Heliangelus Ktroj)liianus, Bon., Consp. Gen. Av., vol. i (l&.'iO), p. 76. — Id., Rev. and Mag. Zool. (1854), p. 2.52. 



— Gould, Mod. Troch., vol. iv. pi. 243. — Id., Iiitr. 'J'roch., octavo ed., p. 132. — Muls., Hist. Nat. Ois. 



Mouch., vol. iii, p. 86 (1876). 

 * Anactoria sir oph tana, Reicu., Aufz. der Colib., p. 12 (18o3). — Id., Troch. Euum., p. 10 (1855). 



Hah. Ecuador. 



Male. Distinguished from the U. dai-lssae, by having the entire tail steel- or 

 bluish-black, and a slightly shorter bill. Total length, 4j in. Wing, 2| in. Tail, 

 2 in. Culmen, ^ in. 



Female similar to that of //. darlssce. 



3. Heliangelus spencei. 



Troclu'lus spencei, BouRC, V. Z. S. (1847), p. 46. 

 Mcllisurja spencei. Gray, Gen. Birds, vol. i, p. 112, sp. 41. 



Heliangelus spencei, Bon., Consp. Gen. Av., vol. i (1850), p. 88. — Id., Rev. and Mag-. Zool. (1854), p. 252. — 

 Gould, Mon. Troch., vol. iv, pi. 243. — Id., Intr. Troch., octavo ed., p. 1,32. — MuLS., Hist. Nat. Ois. 

 Mouch., toni. iii, p. 88. 

 Diotima spencei, Rrich., Aufz. der Colib., p. 12 (1853). — Id., Troch. Euuui., p. 10 (1855). 



Hah, Venezuela. 



Male. Forehead metallic silvery-green. Upper surface, breast, and flanks golden- 

 green. Throat metallic-violet. A band of Avhite across the breast. Middle of 

 abdomen buff". Median rectrices bronzy-green ; lateral ones bronzy-brown. Under 

 tail coverts bronze-green in the centre, margined with grayish-white. Bill black. 

 Total length, 4j in. Wing, 2\ in. Tail, 1| in. Culmen, -^-^ in. 



Female. Like the male, but with the throat mottled with brown and black. 



4. Heliangelus amethysticollis. 



Orthorhi/nchus amethysticollis, D'Orb. and Lafre8., Syn. Av., p. 31 (1838). 



Lampornis amethysticollis, Tschud., Faun. Per., p. 246 (1844). 



Mellisuga amethysticollis, Gray, Gen. Birds, vol. i, p. 112, sp. 40. 



Anactoria amethysticollis, Reich., Aufz. der Colib., p. 12 (1853).— Id., Troch. Enum., p. 10 (1855). 



Heliangelus amethysticollis, Bon., Consp. Gen. Av., vol. i (1850), p. 76.— Id.. Rev. and Mag. Zool. (1854), p. 



252.— Gould, Mon. Troch., vol. iv, pi. 245. — Id., Intr. Troch., octavo ed., p. 133. — Cab. and Hein., Mus. 



Ileiu. Th., iii, p. 75 (1 800).— Muls., Hist. Nat. Ois. Mouch., vol. iii, p. 90 (1876).— Elliot, Ibis (1877), p. 141. 



Hah. Peru. — Bolivia (Bridges). 



Male. Forehead metallic dark green. Head, wing coverts, and upper surface 

 dark bronzy-green. Chin black. Throat metallic-violet, beneath which is a band 

 of buff". Flanks and sides of breast bronze-green. Abdomen buff" mottled Avith 

 green. Under tail coverts grayish-white. ]\Icdian rectrices bronze-green ; lateral 

 ones black. Wings purple. Bill black. Total length, 41 in. Wing, 2g in. Tail, 

 2 in. Culmen, | in. 



