24 AGRICULTUBA.L EXPERIMENT STATION, IthAOA, N. T. 



that are received. These letters are answered with great care, 

 but at times the labor of attending to this correspondence inter- 

 feres with the investigations in progress. It seems probable that 

 in the near future we shall be forced to answer letters of this 

 kind, so far as is possible, with printed circular letters. 



J. H. COMSTOCK, 



Entomologist. 



