TROCHILID.E — THE HUISIMING-BIRDS — TROCIIILUS. 353 



Gexus TROCHILUS, Linn^us. 



Trochilus, LiNN.EUS, Syst. Nat. 1748 (Agassiz). 







-'—-«''/ 



^■i'' 





T. Atezantlri. 



Gex. Char. Feathors of throat but littlo elongated laterally. Lateral tail feathers 

 but little narrower than the others, and lanceolate acute. Tail forked. 



Trochilus Alexandri, Bourcier and Mulsant. 



THE BLACK-CHINNED HTJMMING-BIKD. 



Trorhilus Alexandri, BonRCiEU and Mulsant, Ann. dc Soc. d'Agric. dc Lyons, IX. 1846, 

 3.30. — Heermann, Jour. A. N. Se. Phil. 2d Series, II. 18:5.3, 269. — Cassix, Illus. N. 

 Amcr. Birds, I. v. 18.54, 141 ; pi. xxii. — Baird, P. R. Rep. IX. Birds, 1.3.3. In. U. S. 

 and Mcx. Bound. Report, II. iii. 6 ; pi. v. f. 3. — IIeermasx, P. R. Rep. X. vi. 56. 



Sp. Char. T.ail slit^htly forked ; the chin and upjier part of the throat opaque vclvety- 

 blaek, without metallic relleetions, which are confined to the ]iostei-ior border of the gor- 

 get, and are violet, changing to steel-blue or green, instead of coppery-red. 



Female without the metallic scales; the tail feathers tipped with white, the tail gradu- 

 ated, not emarginated; the innermost feather among the longest. Length of male, 3.30; 

 wing, 1.70; tail, 1.2G; bill O.7.'). 



Hab. California southward. 

 45 



