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POMONA COLLEGE JOURNAL OF ENTOMOLOGY 



coming to the point where something better will be demanded. So in the 

 matter of the water used, in the case of contract fumigating the formula should 



Figure 55. Sho\wing a common method of handling \water 



be one of the important items of the contract, and it is up to the 

 to see that the 3-1-1 formula is the one stipulated and carried out. 



Figure 56. The water wagon of a fumigating outfit 



