CALLIPEPLA. 191 
a’, Above deep olive-brown or umber, this color usually continued uninterruptedly 
over hind-neck to the crest; inner edges of tertials deep buff or ochraceous ; 
forehead entirely ashy. Hab. Pacific coast district, from San Francisco 
north to Oregon.......sseseees . 292. O. pictus (Dovct.). Mountain Partridge, 
a’, Above grayish olive, the hind-neck usually partly or wholly plumbeous, like the 
breast ; inner edges of tertials light buff or buffy whitish; forehead distinctly 
paler (often whitish) anteriorly. Hab. Sierra Nevada (both sides) from 
eastern Oregon southward; southern coast district of California?; Lower 
(22.) California ?......... 292a. O. pictus plumiferus (GouLp). Plumed Partridge. 
Genus CALLIPEPLA Waetrr. (Page 185, pl. LVL, figs. 4, 5.) 
Species. 
a’. Tail three-fourths as long as wing, or longer; flanks striped; tail-feathers plain 
bluish gray ; tertials and scapulars without black spots; inner webs of ter- 
.tials edged with buffy or whitish, producing a conspicuous stripe along each 
side of rump when wings are closed; wing 4.50, or more. 
6. Crest short, blended with, or not separated distinctly from, general feather- 
ing of the crown; sexes essentially alike in plumage. (Subgenus 
Callipepla.) 
Adult: Tip of crest white; rest of head plain light brownish or gray- 
ish, paler and more buffy on throat; hind-neck, upper back, and 
anterior lower parts bluish gray, each feather sharply bordered 
with black, producing a scaled appearance; scapulars and wings 
pale brownish; flanks streaked with white; other lower parts 
buffy, the belly sometimes with a patch of chestnut-brownish. 
Young: Upper parts brownish gray, becoming more decidedly 
brown on scapulars and wing-coverts, the feathers marked with a 
mesial streak of white, and (except on hind-neck) spotted with 
blackish ; lower back, rump, and upper tail-coverts ash-gray, some- 
times more or less distinctly spotted with white; lower parts dull 
whitish, the breast brownish gray, marked with wedge-shaped streaks 
or spots of white, often mixed with dusky spots. Length about 9.50- 
12.00, wing 4.50-5.00, tail about 4.10-4.50, tarsus about 1.30. Hggs 
1.28 X .98, white, buffy white, or pale buffy, usually more or less dis- 
tinctly sprinkled or speckled with brown. 
¢, Scapulars and wings pale grayish brown, or brownish gray; belly 
pale buffy or whitish, usually without trace of chestnut or brown 
patch, in either sex. Hab. Northwestern Mexico and contiguous 
border of United States, from western Texas to southern Arizona. 
293. C. squamata (Via.). Scaled Partridge. 
c. Scapulars and wings deep grayish brown (sometimes hair-brown) ; 
posterior lower parts deeper buffy (sometimes decidedly: ochra- 
ceous), the belly with an extensive patch of rusty chestnut 
