185 



in Chester county in summer. Mr. S. N. Rhoads lias also taken a 

 very young specimen in Delaware county, Pa., in July. 



302. Dendroiea castanea (Wils.). Bay-breasted 



Warbler. 



Breeding RANGE^Northern New England to Hudson Bay. 

 Winter Distribution — Through eastern Mexico to Colombia. 



Though this species is a regular migrant, it appears to be very un- 

 common in some localities, especially in southern New Jersey, and is 

 iipjjarently much more abundant in some years than other?. 



It occurs in the vicinity of Piiiladelphia, May 10-20 and Septem- 

 ber 1<)-Octo!)er 1. 



303. Deiidi'olca stricita (FoKST.). Black-poll Warbler. 



Breeding Range — Northern New England and Labrador to Alaska. 

 Winter Distribution — Bahamas and northern 8. A. 



Abundant transient, bringing up the rear of the migrations. Oc- 

 curs at Piiiladelpliia, May 10-June 1 and September 20-October 1.5. 



304. Dendroiea hlachhumlce (Gmel.). Blackburnian 



Warbler. 



Breeding Range — Northern New England northward, and southward in 



the mountains. 

 Winter Distribution — Bahamas and eastern Mexico to Peru. 



Common migrant, though apparently less abundant in the lowlands 

 of New Jersey than in the higher woodlands of Pennsylvania. 



Occurs May 5-15 and September 15-October 1. 



Along the higher Alleghanies where the hemlocks remain uncut, 

 this species is a summer resident (Harvey's Lake, North Mt., etc.). 



305. Dendroiea doniinica (Linn.). Yellow-throated 



Warbler. 



Breeding Range — S. Atlantic States to the shores of lower Chesapeake 



Bay. 

 Winter Distribution — Bahamas and Greater Antilles. 



Very rare straggler in the southern counties of Pennsylvania and 

 New Jersey. 



The only captures with which we are acquainted are : 



