U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY- BULLETIN No. 64. Part IL 



L. O. HOWARD. EnlomologisI and Chief of Bureau. 



SOME MISCE1J.ANE()US RESULTS (I I' Till- WORK 

 or THE BUREAU OF ENTOMOEOGV-IX. 



NOTES ON THE 

 ECONOMIC IMPORTANCE OF SOWBUGS. 



W. DWIGHT PIERCE, 



Special Field Agent. 



IssuKi) Ai'Kii. 2, 1907 



^^ 



;/ 



WASHINGTON: 



GOVERNMENT PRIXTIXU OFFICE. 

 1907. 



