DIRECTORY TO BIRDS OF EASTERN NORTH AMKRICA. 149 



3. WELCH'S PTARMIGAN, L. welchi. Differs from 

 2* iu summer in being darker above where many feathers 

 are tipped with white; head, neck, upper breast, and sides, 

 rather coarsely banded with black, grayish-white, and gray- 

 ish-buff; tliroat, white. Newfoundland. 



cL. Frairie Grouse. Tympanuchus. 



Rather large, strongly built grouse, light colored, but 

 banded with dusky ; wings, long, tail, short; feathers of sides 

 of upper neck, elongated into an erectable tuft, beneath 

 which is a naked space capable of expansion. Inhabit prai- 

 ries or brushy plains. Notes in the breeding season a loud 

 booming given by the male when strutting with uplifted neck 

 plumes and extended pouches. 



1. PRAIRIE HEN, T. americanus. 18.50; yellowish 

 and buffy above and on Fig. 181. 



throat ; white beneath ; 

 throat, without bands, 

 fig. 181; feathers of neck 

 tuft, rounded at tips, fig. 

 182. Prairies of Mich, 

 and westward. 



2. HEATH HEN, 

 T. CUPIDO. Differs from 

 1 in having the brown 

 bandings broader and 

 thetipsof the feathers of P, B, d, 1. 1-8. 



the neck tufts pointed, fig. 183. Martha's Vineyard, Mass. 



e. Sharp-tailed Grouse. Pedioecetes. 



Differs from d in the absence of neck tufts, in being more 

 irregularly banded and spotted above where there are large 

 rounded white spots on wings; white beneath with Y-shaped 

 marks of dusky. Inhabit similar regions. 



1. PRAIRIE SHARP-TAILED GROUSE, P. campestkis. 

 17.00; quite rusty above. Great Plains of the U. S. east to 

 Wis. and northern 111. 



