■7.V . - ■' 



Circular No. 6 



Supplanting Nature Leaflet No. 33. August, 1913. 



MASSACHUSETTS STATE BOAED OF AGE^lilSMi?^^ 



THREE COMMON SCALE INSECTS. 



By H. T. FERNALD, Ph.D., 

 State Nursery Inspector. 



BOSTON: 

 WEIGHT & POTTEE PEINTIXG CO., STATE PEINTERS, 

 32 DERNE STEEET. 

 1913. 



