1 



184 TROCniLTDiE, HUMMINGBIRDS. GEN. 119, 120, 121, 122. 



of duller colored species especially inhabiting the dense forests of the Amazon ; 

 the other is the 



Subfamily TROCHILINJE. 



119. Genus HELIOP^DICA Gould. 



Xantiis Hummingbird. Tarsi feathered ; tail nearly evoii ; first primary 

 not attenuate ; frontal feathers ending abruptly at base of bill ; $ above, and 

 the throat, metallic grass-green ; l)elow, cinnamon-rufous ; face blue-black ; 

 a white stripe through the eye ; wings purplish-dusky; tail iDurplish-chest- 

 nut, the central feathers glossed with golden green ; bill flesh-colored, black- 

 tipped. 9 shining green above, including central tail feathers; below, and 

 the face, pale rufous, whitening about the vent, and the sides greenish; 

 head-stripes rufous, whitening on the auriculars ; tail feathers, except the 

 central, chestnut, with a dark terminal spot. 3^ ; wing 2} ; tail 1:^ ; l)iU f . 

 Cape St. Lucas. Amazilia xaniusii and Ileliopmdica castaneicauda Lawr., 

 Ann. Lye. N. Y. 1860, pp. 105, 109 ; Ell., pi. 22 ; Coop., 365. xantusii. 



120. Genus LAMPORNIS Swainson. 



- j Blach-throated Ilummingliird. Tomia serrate near the end ; l/iU depressed, 

 not quite straight; no metallic scales on throat ; <J golden-green above and 

 on the sides; below, opaque black, with white flank-tufts; wings and tail 

 duskj^-purplish. 9 white below, with median black stripe. 4J ; wing 2J ; 

 tail 1| ; bill nearly 1. Straggler to Florida. Bd., 130, 922. . m^vngo? 



121. Genus TROCHILTJS Linnaeus. 



- ~- Huhy-tliroaled Hummingbird. $ Avith the tail forked, its feathers all 

 V \ narrow and pointed; no scales on crown ; metallic gorget reflecting ruby- 

 red, etc. ; golden-green, below white, the sides green ; wings and tail 

 dusky-purplish. 9 lacking the gorget ; the throat white ; the tail somewhat 

 double-rounded, with black bars, and the outer feathers white-tipped. SJ ; 

 wing If ; tail IJ ; bill |. Eastern North America, abundant in summer, 

 generally seen hovering about flowers, sometimes infloclcs. Feeds on insects, 

 and the sweets of flowers. Nest a beautiful structure, of downy substances, 

 stuccoed with lichens outside; eggs two, white. Wils., ii, 26, pi. 10; 



NuTT., i, 588; AuD., iv, 190, pi. 253; Bd., 131 coluckis. 



-1 V JBlach-cl tinned Hummingbird. Similar; tail merely cmarginate ; gorget 



' ' opaque black, reflecting steel blue, etc., posteriorly. $ with the tail simply 



rounded. California, Arizona and southward. Cass., 111. 141, pi. 22 ; Bd., 



133; Coop., 353 alexandri. 



122. Genus SELASPHORUS Swainson. 



* No metallic scales on crown ; $ throat scales not much prolonged into a ruff; 

 outer primary attenuate ; tail grailuatcd, the middle feathers broader than the 

 lateral. 



