Old Series, Vol. XIII. New Series, Vol. VIII, No. 4. ? 



THE WILSON BULLETIN 



No. 37. 



Issued Quarterly by the Wilson Ornithological Chapter of 

 the Agassiz Association. 



A SECTIONAL BIRD CENSUS 



Taken at Berwyn, Chester County, Pennsylvania, 

 During the Seasons of 1889, 1900 and 1901. 



By FRANK L. BURNS 



8 Price 20 Cents. j 



6 Berwyn, Penna,, December 1, 1 90 1. * 



^ Entered in the Postofflce at Berwyn as Second Class Mail flatter h 



