VALLEY PARTRIDGE. 



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whitish; the female is conspicuous beneath by the amount of 

 white exhibited, and like the male she is lighter in color than the 

 corresponding sex of the typical form; there are no black or 

 white markings on the head. 



Young, Half Groiun. — Forehead, bluish gray, streaked with 

 white ; feathers margined with black, rest of head on top, dark 

 rusty brown; short crest, rusty brown, black in center; back of 

 neck, bluish gray, vermiculated with light brown, rest of back 

 bluish gray, feathers margined with blackish brown; wings, 

 rusty brown, barred and vermiculated with black; sides of head 

 and throat, buff, streaked with bluish gray; breast pale bluish- 

 gray; rest of under parts, buffy white, indistinctly barred with 

 bluish gray; tail blue, barred and mottled on edge of webs with 

 black. 



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