320 NORTH AMERICAN BIRDS. 
lustre; length 3.25, wing 1.90, tail 1.15, culmen .75. Hab. Western 
Mexico (Mazatlan). 
I, magica (Muts. & VERR.). Magic Hummingbird.! 
b:. Under tail-coverts in adult male dusky gray, glossed with green, and bor- 
dered with grayish white; upper tail-coverts dull smoke-gray, like tips 
of middle tail-feathers. 
Adult male: Above bronze-green or greenish bronze; chin and throat 
metallic emerald-green (with a bluish cast only in certain lights) ; 
remaining under parts bronzy green or greenish bronze; wing 
2.10, tail 1.40 (forked for .25-.35), culmen .70. Hab. Tres Marias 
Islands, western Mexico. 
I. lawrencei BERL. Lawrence’s Hummingbird.” 
a. Under tail-coverts in adult male uniform blue-black. 
Adult male: Above metallic bronze-green, including upper tail-coverts; 
the hind-neck more grass-green, and the forehead brilliant metallic 
greenish blue, passing into shining green on crown; entire chin and 
throat rich deep metallic blue, with a purplish cast in certain lights; 
breast and belly deep bluish green, the sides more bronzy; wing 1.90- 
2.00, tail 130 (forked for .50), culmen .65. Hab. Southern Mexico 
(Tehuantepec). 
I. doubledayi (Bourc.). Doubleday’s Hummingbird 
1 Hylocharis magica Muts. & Verr., Ann. Soc. Linn, Lyon, xviii. 1872, 110. Jache magica Exxior, 
Synop. Troch. 1879, 235. [Possibly the young male of I. latirostrie.] 
2 Iache lawrencei BERLEPScH, MS. 
3 Trochilus doubledayi Bourc., P, Z. 8. 1874, 46. Iache doubledayi Euutor, Synop. Troch. 1879, 235. 
