266 NORTH AMERICAN BIRDS. 
Genus GLAUCIDIUM Bors. (Page 257, pl. LXXV., fig. 3.) 
Species. 
Common Cuaracters.—Upper parts grayish, brownish, or rufous, the wings 
and scapulars more or less spotted with whitish, the tail barred with white or 
rufous, the top of the head (in adults) streaked or speckled with whitish (plain in 
young); lower parts whitish, striped with blackish, brown, or rufous; eyebrows 
whitish; face encircled by a dusky border. 
a’, Sides of breast and fore-part of sides brownish, more or less distinctly spotted 
with paler (spots sometimes indistinct, or partly concealed); tail-bands 
always white, the interspaces blackish ; top of head speckled or dotted with 
whitish in adult, plain plumbeous or slaty in young; lower parts striped 
with blackish ; color of back varying from slaty grayish to deep umber- or 
sepia-brown; length 6.50-7.50, wing 3.40-4.00, tail 2.40-2.80. Egg (single 
specimen, identification somewhat doubtful) 1.17 x .88. Hab. Western 
North America, north to British Columbia, east to Colorado and New Mexico, 
and south through highlands of Mexico to Guatemala. 
(36.) 379. G. gnoma WaGcL. Pygmy Owl. 
a, Sides of breast and fore-part of sides plain brown or rufous, without trace of 
lighter markings; tail-bands varying from white to rufous, the interspaces 
varying from grayish brown to blackish or dark rusty ; top of head narrowly 
streaked with whitish or pale rusty in adult, plain in young; lower parts 
striped with brown or rufous; color of back, etc., varying from grayish 
brown to bright rufous; length 6.50-7.00, wing 3.50-4.60, tail 2.20-3.50. Hab. 
Whole of tropical America (except West Indies), north to southwestern bor- 
der of United States (southern Texas to Arizona). 
380. G. phalzenoides (Daup.). Ferruginous Pygmy Owl. 
Gznvs MICROPALLAS Covss. (Page 257, pl. LXXV., fig. 4.) 
Species. 
Common Cuaracrers.—Above grayish or brownish, finely mottled with darker, 
and indistinctly speckled with pale rusty ; an interrupted whitish collar across hind- 
neck; outer webs of outermost scapulars white; wings spotted with whitish and 
pale rusty; tail brownish, crossed by 5-6 narrow, usually interrupted, bands of pale 
brownish or rusty ; eyebrows, lores, and “cravat” under chin white; lower parts 
white, marked with ragged, rather longitudinal, blotches of pale brownish or rusty, 
finely mottled with darker. 
a. Prevailing tint grayish, or grayish brown; bands on tail narrower, always (?) 
interrupted on middle feathers; length 5.50-6.25, wing 4.00-4.40, tail 1.90- 
2.30. Vest in hole of giant cactus. Eggs 2-5, 1.06 x .90. Hab. Southwestern 
