TROCHILID®, HUMMINGBIRDS. —GEN. 122, 123. 185 
Rufous-backed Hummingbird. § chiefly cinnamon-rufous above, below 
and on the tail; traces of green above, especially on crown; gorget red, 
etc. ; a white collar behind it. 9 with a trace of the gorget; upper parts 
more or less green; tail barred with black and tipped with white. Bh; 
wing 13; tail 14. Rocky Mountains to the Pacitic, from Mexico to Alaska ; 
abundant; the sole boreal representative of the family. Aup., iv, 200, pl. 
Peep etad COOP MEoDO. lo. fe ee wy Ok Oe 8 ROO. 
Broad-tailed Hummingbird. Outer primaries much attenuated, outer 
tail feather linear, very narrow; others broad; ¢ glittering green, with 
much white below, the gorget purplish-red, etc.; wings and tail dusky- 
purplish, most of the tail feathers with rufous edging basally. ¢@ with no 
gorget; no green, but much rufous, below; 4; wing 2. Rocky Mts. to lat. 
42° ; W. to Sierra Nevada; S. into Mex. Bp., 135; Coor., 357. PLATYCERCUS. 
** Crown of ¢ with metallic scales like the gorget, which is prolonged into a ruff ; 
outer primary not attenuate; tail of ¢ forked, the outer feather abruptly narrow 
and linear. (Calypte.) 
Anna Hummingbird. @ above, and the breast, green; crown and gor- 
get ruby-red, etc.; 9 lacking the scales; the tail slightly rounded, black- 
barred, white-tipped. Size of the last. California ; resident, abundant. Nurr., 
i, 2d. ed. 712; Auvp., iv, 188, pl. 252; Bp., 137; Coop., 358. . ANNA. 
Costa Hummingbird. g above, and on the sides, green; mostly white 
below; crown and gorget purplish, steel-blue, etc.; the latter much pro- 
longed into a ruff; tail lightly forked; 9 like that of anna; smaller; about 
34; wing under 2; tail 1$; bill 3. Valley of the Colorado; S. and Lower 
PeaeMi ee De loon COOP GOO ce cn) w ve. + 2 « = « - COSTA. 
*** Crown of ¢ not metallic like the gorget, which is prolonged into aruff; outer 
primary of f attenuate; tail graduated, the feathers rounded at the end, the lateral 
black-barred and white-tipped (in both sexes). (A/fthis.) 
Heloise Hummingbird. @ golden-green above, including crown; gorget 
lilac-red, bordered with white; below white; sides with green and rufous ; 
tail feathers cinnamon-rufous at base, the central otherwise like the back, the 
others black-barred and white-tipped; ¢ similar, lacking the gorget; outer 
primary not attenuate. Very small; 23; wing 14; tail1; bill 4. Texas 
and, southward. Exiror, pl. 21; Coor., 361. . . . . . HELOISH: f 
123. Genus STELLULA Gould. 
Calliope Hummingbird. @ golden-green; below white, with green and 
rufous on sides; gorget violet or lilac, the bases of the scales, and sides of 
the neck, pure white ; tail feathers brown, including the central pair, with pale 
tips and slight rufous edgings; under mandible light; 9 with dusky specks 
in place of the gorget; throat feathers not ruffed; no green on sides; tail 
feathers variegated with green, rufous, black and white. 22; wing 13; 
tail 1; bill $. Mountains of Washington, Oregon and California, to 
Mexico. ELLIOT, pl. 23;. Coop.,363. . . . - . + «+ + GALLIOPE, + 
KEY TO N. A. BIRDS. 24 
