192 



KEY TO THE BIRDS OF EASTEIEN NORTH AMERICA. 



Toes, three; crown, 

 black ; hack^ black, 

 without lohite. 



Arctic Three-toed Woodpecker. 



Picoidf'S amicus (female). 

 See No. 328. 



Toes, three; crown, yel- 

 low ; hark, black and 

 ichite. 



American Tiiree-toed W odpecker. 

 Banded-backed Woodpecker. 



Picoides americanus {male) . 

 See No. 329. 



Toes, three ; crown, Ijlack, murkcd with white ; hack, hlnck and v-hite. 



American Three-toed Woodpecker. 

 Banded-backed Woodpecker. 



Picoides americanus (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 heavily 

 banded as in borealis ; 

 lower rump and upper 

 tail coverts, black. 



Hairy Woodpecker. 



Dryohntes villomis (fonale). 

 See No. 324. 



