FIELD COLOR KEY xxxvii 



21'. Wing without bars ; eye- 

 ring and line to bill white ; 

 size large ; song loud and 

 varied. 



p. 331. YELLOW-BREASTED CHAT. 



16'. 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 WARBLER. 



23'. Back patch yellow ; bird mainly bluish ; 

 throat 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. 326. BLACKBURNIAN WARBLER. 



