318 NORTH AMERICAN BIRDS. 
d. Tail rich blue-black. Hab. Guatemala and Nicaragua. 
A. cyanura GouLD, Blue-tailed Hummingbird! 
a. Lower parts entirely uniform cinnamon. 
Bb. Smaller: Wing 2.15-2.25, tail 1.40-1.50, exposed culmen .80-.88. Hab. 
Nicaragua, Salvador, Guatemala, Honduras, and southern Mexico, north 
to Yucatan and Mazatlan. 
A. cinnamomea (Lzss.), Cinnamomeous Hummingbird.? 
b%. Larger: Wing 2.50-2.70, tail 1.75-1.85, exposed culmen .90-1.05. Hab. 
Tres Marias Islands, western Mexico. 
A. graysoni Lawr, Grayson’s Hummingbird.’ 
Grnus BASILINNA Bots. (Page 309, pl. XC., fig. 6.) 
Species. 
Common Cuaracrers.—Above metallic green, darker or duller on top of head ; 
tail mainly chestnut or blackish, the middle feathers, however, with more or less 
green; a broad and very conspicuous white stripe behind eye, with a black, dusky, 
or brownish one immediately beneath it, across ear-coverts. Adult males with fore- 
head and chin black or deep blue, the throat and upper part of chest brilliant 
metallic emerald-green. Adult females with top of head dull brownish (sometimes 
tinged with green), and lower parts pale cinnamon, with or without green spots on 
throat, or dull grayish white, with sides green. 
a. Tail mainly chestnut; posterior lower parts pale cinnamon. Adult male: Fore- 
head and chin opaque black, or dull blue-black; middle tail-feathers chestnut 
centrally, metallic green exteriorly, the rest without dusky subterminal bar 
or spot. Adult female: Lower parts pale cinnamon, with or without green 
spots on throat; middle tail-feathers entirely green, the rest marked by a 
more or less distinct subterminal spot of dusky. Length about 3.30-3.50, 
wing 2.00-2.10, tail 1.30-1.45, exposed culmen. 65-.70. Mest about 1.50 in 
diameter by about .80 in height, the cavity about 1.00 x .55-.60; composed 
of various soft vegetable fibres (especially raw cotton, spiders’ webs, etc.), and 
attached to small twigs. Eggs 48 x .31. Hab. Southern portion of Lower 
California. ....cccsscsscevees 440. B. xantusi (Lawre.). Xantus’s Hummingbird. 
a’. Tail mainly blackish ; posterior lower parts dull whitish, mixed with grayish 
brown and greenish. Adulé male with forehead and chin deep rich blue; 
middle tail-feather entirely metallic green or bronze, the others tipped with 
green or bronzy. Adult female: Lower parts dull light grayish, or grayish 
white, more or less spotted with green, the sides almost continuously of this 
color; middle tail-feathers entirely green or bronzy, the others black, the 
two or three outer ones tipped with dull grayish. Length, about 3.25-3.40, 
1 Amazilia eyanura Gopi, Mon. Troch. pt. xviii. 1850 (vol. v. pl. 315). 
2 Orniamya cinnamomea Less., Rev. Zool. 1842, 175. Amazilia cinnamomea Exuior, Class. & Synop. Troch. 
1879, 219. 
3 Amazilia (Pyrrhophena) graysoni Lawr., Ann. Lye. N, Y., 1867, 404. 
