374 



NEW YORK STATE MUSEUM 



is also a tendency to gra}-ish rather than rufous on the upper parts and the 

 tail is usualh- gray. Birds from the Adirondacks are nearly typical of 

 this subspecies. In size they are the same as the subspecies umbellus. 



As stated under the common Ruffed grouse, the birds from a large 

 portion of New York State are intermediate between this subspecies and the 

 preceding. It is practically impossible to assign many New York specimens 

 to one subspecies or the other. The illustration on page 372, of typical 

 New York birds will show the degree of darkness in the barring of the under 

 parts, which is the most tangible means of distinction between them. 

 The two varieties are identical in habits and their eggs indistinguishable. 



Willow ptarmigan Lagopus lagopus (Linnaeus). Specimen in summer plumaKe. American Museum nf Natural 



History, k nat. size 



