nicker 



Whip-poor-will 



Nightbawk 



Chimney Swift. 

 Hummiogbird 



Kingbird 



Great-crested Flycatcher, 



Phoebe 



Bobolink 



Cowbird 



Red-winged Blackbird 

 Baltimore Oriole 

 Purple Grackle 

 Chipping Sparrow 



Chewink , 



ludigobird , 



Scarlet Tanager 



Purple Martin 



Barn Swallow 



Red-eyed Viren 



Black and White Warbler, 



Chestnut-sided Warbler... 



Ovenbird 



Maryland Yellowthroat 



Chat 



Catbird 



Brown Thrai 

 House Wren 

 Wood Thrush 

 Hermit Thrui 



Robio 



Bluebird 



EAItr.lKST DATES OK ARRIVAL OP TBIRTY-TWO SPECIES AT TWiSNTT-TWO STATIONB 



ou'ieii'K THE Philadei.poia circle. 



