150 



KEY TO THE BIRDS OF EASTERN NORTH A31ERICA. 



Group 2. Wing, more than 5 inches long. 



Section 1. The following species do not have the greater 

 portion of the primaries white. 



A tuft of blai'k feathers on sides of the ueck; tarsus not enth-ely feathered; 

 axillary plumes, white barred with brown. 



Ruffed Grouse "Partridge." 



Bonasd nmbeUiis, and races. 

 See Ko. 238. 



Tarsus, entirely feathered; axillary plumes, entirely white; no elongated 



tufts of feathers ou sides of ueck ; tail, pointed. 



Prairie Sharp=tailed Grouse. 



Pediuattcs phadiiDu lUix campcstris. 



See No. 247. 



Tarsus, entirely feathered; axillary plumes, white; sometimes with faint bars 



near tip ; a luftof ten or more elongated feathers on each side of tlie ueck; 



tail, not pointed; the ends of the ueck plumes are uot pointed, and the axillary 



plumes are very rarely barred on the whole feather, as in the Martha's Viueyard 



species. 



Prairie Hen. Pinnated Grouse. 



Tijinpanuchnt^ amcrinoiKs. 



See No. 245. 



