CALIFORNIA PARTRIDGE. 57 



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 bet\veen the 

 webs of the anterior plume. Total length of bird, lo inches; 

 wing, 41; tail, 4; tarsus, i^; bill, \. 



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. 



