288 



KEY TO. THE BIHDS OF EASTERN NORTH AMERICA. 



Crown, olive green (.<uiiK'tini('s witli foi-eheml 

 j'ellow) ; underparts, greenish yellow; back and 

 nmip, olive i^reeii : terminal third of inner webs 

 of outer tail feathers, white. 



Blue=winged Warbler. 



Hchninthophiln pinna {female and. immature). 

 See Xo. 487. 



Inderpaiis. tinged with greenish yellow; imdertail coverts, white; crown, back, 

 and rump, olive green ; outer tail feathers very narrowly edged with white 



'(•ntireiy al)sent in some specimens). 



Tennessee Warbler. 



Helminthophila pi're(jri)ia {female in fall and immahire). 

 See No. 493. 



l'nderi)arts, yellow, washed with olive on sides; sides of head and lores, 

 yellow; crown, olive green; l)ack and rumi), olive green; undertail coverts, 

 pale yellow. 



Hooded Warbler. 



Sylvania mitrata (female and immature in fall). 

 See No. 525. 



ElrUand's Warbler. 



Tnderparts, yellow; sides, streaked with black; crown, slaty gray ; bnc'^v and 

 rump, asliy, streaked with l)hick; lores, black. 



Kirtland's Warbler. 



Dendroica kirtlandii. 

 See No. 510. 



i 



