81 

 Valley also, it is a common bird, while in the southwestern 

 counties, numerous nests have been taken" by Messrs. Jacobs 

 and Dickey. Lately the Worm-eating Warbler appears to be 

 extending its range to the northward, as it has been observed 

 during the breeding season in Lehigh County and even as far 

 as Milford, Pike County, while in Center County, it has 

 been found by Mr. Harrower and the author. 



641. Vermivora pinus ( Linn .) . Blue-winged Warbler. 



This beautiful little warbler ia an abundant 

 breeding bird in certain sections of southeastern Pennsyl- 

 vania, occuring most abundantly in Chester, Delaware, Mont- 

 gomery, and Bucks Counties and breeding locally as far north 

 as Berks and Lehigh Counties, while in the Susquehanna 

 Valley it has been found breeding in Lancaster, York, 

 Cumberland, and Dauphin Counties. West of the Alleghanies, 

 it does not seem to have been found nesting, and tho Dr. 

 Warren speaks of its breeding in Crawford, Beaver, Lawrence, 

 and Clarion Counties, I have been unable to get any recent 

 records from those localities. 



642. Vermivora chrysoptera (Linn.). Golden-winged Warbler. 



This handsome bird is rather irregularly distrib- 

 uted thru widely separated stretches of country, and its 



