DESCRIPTIVE LIST. 



KEY TO THE GROUSE, PARTRIDGE 

 AND QUAIL FAMILY. 



A. Crested. 



I. Head plume long and slender, consisting of 

 two straight feathers streaming backwards ; 

 sides chestnut, barred black and white. 



Mountain-Partridge ; Mountain-Quail i 



II. Head plume erect, wedge shaped. 



1 . Sides olive-brown, white streaked ; mid- 

 dle of belly chestnut. 



Valley- Partridge ; Valley-Quail 2 



2. Sides chestnut, white streaked ; middle of 

 belly black. 



Gambel's Partridge ; Gambel's Quail 3 



B. Uncrested. 



I. Feathers of top of head slightly lengthened ; 

 tufts of broad, soft, blackish feathers on sides 

 of throat. 



Oregon Ruffed Grouse . . 5 



II. Stiff, hair-like tufts fringing the neck ; tail 

 very long and stiff; size very large. Living 

 in sage-brush. 



Sage-Grouse ; Sage-Hen 7 



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