316 NORTH AMERICAN BIRDS. 
whitish, sometimes spotted centrally with dull metallic purple; 
otherwise much like adult male; length about 3.50, wing 1.75-1.80, 
tail 1.10-1.15, culmen .58-.60. Hygs 46.31. Hab. Western 
United States, north to British Columbia, Idaho, and northern 
Montana, east to Rocky Mountains, south to table-lands of Mexico. 
436. T. calliope GouLp. Calliope Hummingbird. 
a?, Exposed culmen more than half as long as wing, the bill decidedly curved. 
(Adult males with tail deeply forked, uniform purplish black, except four 
middle feathers, which are green, like upper parts; gorget (the feathers of 
which are much elongated laterally and posteriorly) brilliant metallic ame- 
thyst-purple, changing to violet-blue; median lower parts white, sides and 
flanks. mixed bronzy green and pale rufous. Adult females green above, 
light cinnamon-buffy beneath (but belly and under tail-coverts white), tail 
much less deeply forked than in male, with broader feathers, the three outer- 
most of which are broadly tipped with white and rufous at base.) (Subgenus 
Calothorax GRAY.) 
b'. Adult male with outer tail-feather much narrower than the next and taper- 
ing to a narrow point; length about 3.40-3.60, wing 1.40-1.60, tail 1.25- 
1.35, exposed culmen .85-.90. Adult female: Wing 1.65-1.80, tail 1.20- 
1.25, exposed culmen .75-.90. Hab. Table-lands of Mexico, north to 
southern Arizona.... 437. T. lucifer (Swains.). Lucifer Hummingbird. 
b® Adult male with outer tail-feather not narrower than the next, and not 
tapering to a narrow point; length about 3.10-3.25, wing 1.50, tail 1.50, 
exposed culmen .75. Adult female: Wing 1.65, tail 1.15, exposed culmen 
15. Hab. Southwestern Mexico (Oaxaca). 
T. pulcher (GouLp). Beautiful Hummingbird.! 
Genus AMAZILIA Lesson. (Page 308, pl. XC., fig. 2.) 
Species. 
Common CHaracters.—Above green, bronze-green, or bronzy, the tail rufous, 
chestnut, bronzy, purple, or blue-black; lower parts green anteriorly, or entirely 
light cinnamon; sexes alike. 
a. Lower parts partly green. 
b'. Secondaries entirely dusky. 
c’. Belly and flanks dull brownish gray, the latter glossed with green; 
outer tail-feather with outer web chiefly or entirely dark bronzy; 
upper tail-coverts uniform chestnut; tail deep chestnut, feathers 
bordered terminally with bronzy; lower tail-coverts deep cinna- 
mon-rufous. Young similar to adult, but rump tinged with rufous, 
and forehead washed with rusty ; length about 4.00, wing 2.00-2.35, 
tail 1.45-1.70, exposed culmen .70-.90. Hab. Whole of Central 
1 Calothorax pulchra GouLp, Ann. & Mag. N. H. ser. 3, iv. 1859, 97. 
