FIELD COLOR KEY xliii 



5'. Crown without red or orange patch. 

 6. With wing bars. 



7. Conspicuous yellow ring around eye ; eye white. 

 Found in undergrowth. Song emphatic : " Who 

 are you, eh?". . . p. 302. WHITE-EYED VIREO. 



7'. No yellow ring around eye ; eye dark. Found by 

 streams in woods. Call, pe-ah-yuk'. 



p. 254. ACADIAN FLYCATCHER, 



6'. Without wing bars. 



8. White line over eye. 



Cap gray, bordered by blackish. 

 Song broken and in triplets. Common 

 everywhere in trees. 



p. 120. RED-EYED VIREO. 



8'. No white line over eye. 



Head and back uniform olive-gray. 

 Song a sweet flowing warble. Found 

 high in village elms. 



p. 126. WARBLING VIREO. 



B. GRAY OR BLUISH GRAY. 

 1. PLUMAGE DISTINCTLY MARKED WITH BLACK. 

 2. Throat black. 



Cap black, back gray. Call, cUck-a-dee. 



pp. 67, 71. CHICKADEES. 



2'. Throat not black. 

 3. Back bluish. 

 4. Top of head black ; seen on tree 



trunks. 



5. Under parts white ; no line on side 

 of head. Common resident from 

 Gulf states to Canada. 



p. 73. WHITE-BREASTED NUTHATCH. 



