CALIFORNIA PARTRIDGE, 5i/ 
LOPHORTYX CALIFORNICUS. 
Geographical Distribution.—California coast region, as far 
south as Monterey. Introduced into Oregon, Washington, and 
British Columbia, 
Adult Male.—Forehead, buff; shafts of feathers, black; occiput, 
dark chestnut bordered anteriorly, and on the sides with black, 
followed by a line of pure white; line from bill to eye, white; 
chin and throat, jet black, bordered all around from behind the 
eye with white, which is again margined narrowly with black; 
back of neck and upper part of back, blue, the feathers 
margined with black and a minute bluish white spot at tip; 
entire upper parts, deep smoke brown; the inner edge of tertials, 
deep buff or ochraceous, forming two conspicuous lines; some- 
times the outer edges of the secondaries are margined with 
ochraceous; primaries, dark brown; breast, deep blue; belly, deep 
buff, the feathers margined with black; flanks, smoke brown, 
streaked with white; abdomen, dark chestnut, the feathers with 
black margins; vent and under tail-coverts, deep buff, with broad 
central streaks of dark brown; bill, black; crest, black, very nar- 
row at the base, widening out and curving forward at the tip; all 
the feathers, of which there are about six, inclosed between the 
webs of the anterior plume. Total length of bird, to inches; 
wing, 44; tail, 4; tarsus, 14; bill, 4. 
Adult Female.—With certain resemblances to the male, the 
female differs in having a shorter, chestnut brown crest; head, 
smoky gray without white or black markings; no chestnut patch 
on abdomen, and the scaly markings less pronounced; otherwise 
she resembles the male, the colors, however, being less clear 
and more subdued. 
