FIELD COLOR KEY xxxvil 



21'. Wing- without bars ; eye- 

 riug and line to bill white ; 

 size large ; song loud and 

 varied. 



p. 331. Yellow-breastei> Chat. 



IG'. Back not olive-green. 

 22. Back marked by distinct color patch be- 

 tween wings. 



23. Back patch chestnut ; cheeks marked 

 with black ; bird mainly yellow. 

 Found in juniper thickets and 

 bushy fields. 



p. 325. Prairie AVarbler. 



23'. Back patch yellow ; bird mainly bluish ; 

 throa^^ yellow ; a bluish black 

 or rufous band across breast ; 

 belly white. Nests in gray ^^ 

 moss. 



p. 317. Parula Warbler. 



22'. Back without color patch. 



24. Throat with black patch ; chin 

 white ; breast yellow ; back 

 brownish. Common in Mis- 

 sissippi valley. Sings in 

 clover and grain fields. 



p. 224. DiCKCISSEL. 



24'. Throat without black patch ; crown with 

 patch of yellow or orange. 

 25. Crown patch orange ; back 

 mainly black ; throat rich 

 orange. 



p. 32G. Blackrurnian Warbler. 



1^ 



