April, "111 



JOURNAr, OF ECONOMIC ENTOMOLOGY 



Plate 2 



Gasoline power sprayer, built by State P'orester's department, with four- 

 cylinder engine and triplex pump, the latter designed by same department, 

 capable of furnishins: 300 ]iounds' pressure in woodland work. Weight of out- 

 fit, 3,000 pounds. (From Massachusetts State Forester's Report.) 



