ILLUSTRATIONS 



FACING 



BALTIMORE ORIOLE AND ORCHARD ORIOLE 64 



(In color.) 

 AMKKH AN CrOLDKiNcn AND PURPLE FINCH 74 



(In color.) 

 SNOWFLAKES 84 



(In color.) 

 VESPER SPARROW AND GRASSHOPPER SPARROW .... 86 



(In color.) 

 WHITK-THROATED SPARROW AND WHITK-CKOWNKU SPARROW . 90 



(In color.) 

 FIELD SPARROW AND CHIPPING SPARROW 102 



(In color.) 

 INDIGO BUNTING AND JUNCO 108 



(In color.) 

 SONG SPARROW AND SWAMP SPARROW 11L 



C/n color.) 

 ROSE-BREASTED GROSBEAK AND CHEWINK 126 



(In color.) 



SCARLET TANAGER AND MATE , . 140 



(In color.) 

 CEDAR WAXWING 148 



RED-EYED VIREO AND YELLOW-THROATED VIREO .... 150 



(In color.) 

 WARBLING VIREO 154 



WHITE-EYED VIREO AND SOLITARY VIREO 160 



(In color.) 

 BLACK AND WHITE WARBLER 164 



NASHVILLE WARBLER AND GOLDEN-WINGED WARBLER . . 166 

 (In color.) 



CAPE MAY WARBLER AND NORTHERN PARULA WARBLER . 172 

 (In color.) 



BLACK-THROATED BLUE WARBLER AND YELLOW WARBLER . 174 

 (In color.) 



MYRTLE WARBLER AND MAGNOLIA WARBLER 180 



(In color.) 



xviii 



