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KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Upper plumage, browuish olive, or dull, grayish olive; throat and middle of 

 belly, white, sometimes tinged with pale yellow; breast (except middle) and 

 sides of body, dull grayish olive; uuder mandible, pale. 



Olive=sided Flycatcher. 

 C'antopus borealis. 

 See No. 350. 



Crown and back, ashy ; throat and breast, ashy white; sides of breast and 

 body, orange red ; tail, very long, rarely less than four and one half inches. 



Scissor=tailed Flycatcher. 



Milvuhis forjicatus. 

 See No. 34.S. 



Crown, black, witli coMcealed patch of yellow; back, gray; underparts, white; 

 tail, very long, usually more than four and one half inches. 



Fork-tailed Flycatcher. 



Milvnlus tyrnnnus. 

 See No. 342. 



