ti I tL If r^ y t: i-« 



Memoir 12. N. Y. State Museum 



Plate 106 



ROBI 

 ADULT IN SPRING 



N Planesticus migralorius migratorius (Linnaeus) 



'^ FALL 



PRING 



IMMATURE 



BLUEBIRD Sialia sialis sialis (Linnaeus) 



