7. 
le el 
TROCHILIDA’ — TROCHILINA): HUMMING-BIRDS. 465 
faleate outermost feather instead of straight linear parallel-sided rounded-ended ; and under 
parts less glossed with green. The 9 coste lacks green gloss on uyder parts. which are 
more white, has much narrower tail-feathers, and is smaller, in comparison with Q anne. 
The Q cost@ more closely resembles Q Stellula calliope, but the latter has traces at least of 
rufous on tail and under parts. Also resembles Q Yrochilus, but has all the lateral tai. 
feathers white-tipped. Arizona and Southern California, and southward. 
AT'THIS. (Gr.’Ar6is, Atthis, Attic; also a proper name.) Arric Hummers. Crown of @ 
not metallic like the gorget, which is prolonged into a ruff; outer primary of @ attenuate ; tai! 
graduated, the feathers rounded at the end, the lateral black-barred and white-tipped in botk 
sexes (peculiar in this respect among N. Am. genera). Bill only about as long as head. Size 
very diminutive. 
A. heloi/se. (Fig. 313.) Hertorse Hummine-pirp. ¢: Outer primary atteruate at end, 
with a needle-like point, as in S. platycercus, but not bowed outward. Tail graduated, the 
central feathers, however, slightly shorter than the next, all round-ended, none notably nar- 
=< ————— rowed. No scales on crown ; 
SS 6 ISS ~~ those of throat produced 
into a ruff. Bill diminutive. 
ty i Above, including crown and 
| \\\\ middle tail-feathers, golden- 
| HY \\\\ green, the tail-feathers rather 
more grass-green, sometimes 
ead darkening at end or with a 
. Fig. 313. — Heloise Humming-bird, g, 2, nat. size.) From Elliot.) 
touch of rufous. Other tail- 
feathers rufous at base, then black-barred, then white-tipped —the only case of such parti- 
coloration in the male in United States species. Gorget glancing violet, sapphire, and 
lilac. Under parts snowy-white, glossed with golden-green, touched with rufous on flanks. 
Very small: length 2.75; wing 1.25; tail 0.75; bill 0.50. 9: No peculiarity of outer 
primary. Colors much as in the @, but no gorget, the throat being white, specked with 
dusky; the flanks and crissum more rufous. Texas and southward; probably also New 
Mexico and Arizona. - 
STEL/LULA. (Lat. stellula, dim. of stella, a star.) STArry Hummers. No scales ou crown ; 
those of throat confined to the tips of the lengthened feathers, thus not forming a continuous 
metallic surface, but set like stars in a fleecy, snowy bed. Tail of @ slightly double-rounded, 
the lateral feathers graduated, the central also shorter than the next; middle feathers unlike 
back in color; all broad, and rather widening to near the suddenly contracted ends; outer feather 
slightly incurved, the others ending about as acutely as a silver teaspoon. )Juter primary 
simple. Bill longer than head, ordinary, but uot entirely black. 9 like ¢ in form of tail and 
wings. Size very diminutive. —— 
S. callifope. (Gr. Kad\duorn, Kalliope, 
Lat. Calliope, one of the Muses. Fig. 
314.) CALLIOPE HUMMING-BIRD. ¢: 
Crown and back golden-green. All 
tail-feathers dusky, with rufous at base MW 
and slightly pale tips. Gorget violet | I . 
or lilac, set in snowy-white; sides of . 
throat, and crissum, white. Below, Fia. 314. — Stellula calliope, 7, nat. size. (From Elliot.) 
white, glossed with green on the sides. Bill yellowish below. Length 2.75; wing 1.60; tail 
1.00; bill 0.60. 9: Form of the g; color of upper parts the same. No gorget; throat whitish 
with dark specks; other under parts quite strongly tinged with rufous. A white mark under 
eye; bill light at base below. Middle tail-feathers green, not so golden as the back, ending 
30 
WAY \ 
Nl \ 
