CALLIPEPLA. 191 



a 1 . Above deep olive-brown or umber, this color usually continued uninterruptedly 

 over hind-neck to the crest ; inner edges of tertials deep buff or ochraeeous ■ 

 forehead entirely ashy. Sab. Pacific coast district, from San Francisco 

 north to "Washington Territory. 



292. O. pictus (Dotjgl.). Mountain Partridge. 



a 1 . 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. Sab. Sierra Xevada (both sides) from 

 eastern Oregon southward ; southern coast district of California ? ; Lower 

 California? 292a. O. pictus plumiferus (Gould). Plumed Partridge. 



Genus CALLIPEPLA Wagleb. (Page 185, pi. LYL, figs. 4, 5.) 



Species. 



a 1 . 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. 

 b l . 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. Eggs 

 1.24 X -94, 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. Sab. Northwestern Mexico and contiguous 

 border of United States, from western Texas to southern^rizona. 

 293. C. squamata (Tig.). Scaled Partridge. 

 <?. Scapulars and wings deep grayish brown (sometimes hair-brown) ; 

 posterior lower parts deeper buffy (sometimes decidedly ochra- 

 eeous), the belly with an extensive patch of rusty chestnut 



