No. 4.] 



THE GYPSY MOTH. 



445 



Stone walls infested with eggs (rods), , 

 Stone walls burned (rods) , . 

 Stone walls sprayed (rods), . 

 Brush cut and burned over (acres), 

 Ground burned over with oil (acres), 

 Ground burned over without oil (acres) , 

 Ground sprayed with oil (acres), . ,. 



540 



1,505 



2,487 



2,933 



173 



271 



4 



Number of Employees in 1898. 



The figures given above do not represent the full number 

 of employees, but give only those actually at work each 

 week. The force reached its maximum of 524 men in De- 

 cember, when a large number of extra men were hired on 

 the brown-tail moth work. As the act setting aside $10,- 

 000 for this purpose went into effect too late for it to be of 

 any service in the spring, the money was left in the treas- 



