PINNATED GROUSE 207 
braska and Kansas, the Indian Territory and western 
Texas. 
Birds of this genus are brownish or clay color, cross- 
banded by dark brown or black. The tail is short and 
rounded, and the sides of the neck are provided with 
17044 .Y 
<8, 
SEN O80 5 
PINNATED GROUSE 
conspicuous wing-shaped tufts of straight, stiff black 
feathers, beneath which is a naked inflatable air sac. 
In greater detail the color above is pale brownish, 
barred with dusky and buff; beneath, paler, broadly 
barred or banded with brown. The quills of the wing 
are gray or brownish, with buff or whitish on the 
outer webs. The chin, throat and cheeks are buff, 
