320 



KEY To THE BIRDS OF EASTERN NORTH AMERICA. 



FAMILY SYLVIID/E. 

 Kinglets and Qnatcatchers. 



Size, small; length, less than 4.75 inches; wing, less than 2.50 inches; 

 first primary, very short. 



Gnatcatchcr. Kinglet. 



Hack, bluish gray; outer tail feathers, mostly 

 white. 



Blue-gray Gnatcatcher. 



Polioptila ccerulea. 

 See No. 557. 



Hack, olive; uo white patch on tail; crowu, with patch of bright red (male;; 

 crown, olive (female). 



Ruby-crowned Kinglet. 



Rfc/ultis calendula. 

 See No. 556. 



Back, olive; no white patch on tail; crown, with 

 patch of orange edged with yellow and black (male) ; 

 crown, with yellow patch edged with black (female). 



Golden-crowned Kinglet. 



Kcgulus satrap ft . 



See No. 555. 



