46 GAME BIRDS OF NORTH AMERICA. 
OREORTYVX PICTUS PLUMIFERUS. 
Geographical Distribution.—Both sides of the Sierra Nevada, 
and in eastern Oregon and to the Panamint Mountains and 
Mount Magruder, Nevada. In California from San Francisco 
Bay to the Argus Mountains. 
Adult Male.—Forehead and chin, white; head, hind-neck, 
upper part of back and breast, plumbeous ; long black crest from 
occiput ; throat, deep chestnut, bordered on sides with black, out- 
side of which is a line of white ; wings, back, and upper tail- 
coverts, grayish olive ; flanks, deep chestnut, barred broadly with 
white, beneath which is a narrow black bar ; abdomen, chestnut ; 
under tail-coverts black, the feathers having a central line of 
deep chestnut ; inner edges of tertials, narrowly lined with white, 
forming two lines on back ; dimensions about the same as those 
of the O. pictus. 
There is no particular difference in the coloring of the sexes, 
and the female is recognizable chiefly by her shorter crest. 
