Wild Birds in City Parks 



4/3 WH-X 



oXIcC" Being hints on identifying 200 birds, 

 prepared primarily for the spring 

 migration in Lincoln Park, Chicago, 

 but adapted to other localities 



HERBERT EUGENE WALTER 



«; > 



AND 



ALICE HALL WALTER 



FOURTH ENLARGED REVISION 



With Chart and Key 



Authors' Edition 

 1910 ' 



