124 
DUSKY G HOUSE. 
into Asia, but are entirely different from any of the 
aperies on the American continent, which we shall 
next notice. 
The first of the American birds coming- nearest in 
size anti form to those we have been just describing, 
is the Du shy Grouse, Tetrao obseurm of Say, which 
was first noticed to science by that gentleman in his 
description of the various p rod action a, the reward of 
the expedition to the Rocky Mountains. Bonaparte 
figured his specimen a female ; and in this country 
two beautiful representations of both sexes appeared 
in the Northern Zoology. It ia known to inhabit 
the Rocky Mountains from latitude 40° to 64°. In 
length it is about two feet : and the plumage exhi- 
bits the beautiful glossy tints of the others, mixed 
with grey and white. 
The next of the American grouse which tve have 
to notice is 
