192 



KEY TO THE IJIUDS OF EASTERN NORTH AMERICA. 



Toes, three; crown, 

 bliick ; back, black, 

 without ichite. 



Arctic Three=toed Woodpecker. 



Pkindcs arcticus (femah). 

 See No. 328. 



Toes, three ; crown, j^el- 

 low; hark, black and 

 u'hite. 



American Three=(oed W odpecker. 

 Banded=backed Woodpecker. 



Picoides americamis (male). 

 See No. 329. 



Toes, three; crown, black, iniirkt'd with white; hack^hlack and v)hit<\ 



American Three=toed Woodpecker. 

 Banded=backed Woodpecker. 



Picoides amirivamiti {female). 

 See No. 329. 



Section 2. The following species have four toes ; no trace 

 of red on crown or nape. 



Ear coverts, black; no 



white on inner web of two 

 middle tail feathers; mid- 

 dle of back, more or less 

 white, but not hoavih- 

 banded as in boreal is ; 

 lower rump and upper 

 tail coverts, black. 



Hairy Woodpecker. 



Dri/tihiiti s villosn.-i (female). 

 See No. 324. 





