18 



BIRDS OF EAST PENNSYLVANIA. 



Bay-breasted Warbler. 



Pine-creeping Warbler. 



Obestnut-sided Warbler. 

 Blue Warbler. . . . 



Black-Poll Warbler. . 

 Yellow Warbler. . . 



Black and YeUow 

 Warbler. 



Cape May Warbler. 



Yellow Eed-PoU Warbler, 

 Prairie Warbler. . . . 



Dendroica castanea. Rather rare, 

 appearing late in April, and again 

 in October. The young bird of this 

 species is the Autumnal Waebler 

 of Wilson. (S. & A) 



Dendroica pinus. This species is 

 rather rare in Spring, but plentiful 

 in Autumn. Arriving early in April, 

 and again in October, ilany re- 

 main during summer. (S.) 



Dendroica Pennsylvanica. Not un- 

 common. Arriving early in May. 

 A few remain to breed. (S. & A.) 



Dendroica coerulea. Eare. From 

 jNIay to end of August. The Blue 

 Mountain Wakbler of WUson is 

 the young of this species. (S.) 



Dendroica striata. Common. It 

 arrives late in April, and again in 

 September. (S. & A) 



Dendroica cestiva. SuJEMER Yellow 

 Bird. Abundant. Coming late in 

 April, and departing in the end of 

 September. (S.) 



Dendroica maculosa. Magnolla. 

 Warbler. One of our most beauti- 

 ful warblers, and rather frequent, 

 coming early in May, and again in 

 September. (S. & A.) 



Dendroica tic/rina. Very rare; it 

 arrives early in May, and again 

 visits us on its way south about the 

 10th of October. (S. & A.) 



Dendroica palmarum. Plentiful 

 Appearing early in April, and again 

 in September. (S. & A) 



Dendroica discolor. Not uncommon, 

 from the beginning of May to 

 October. (S.) 



