100 



INJURIOUS INSECTS OF 1904. 



nozzles excellent in this particular, and making a spray fine enough 

 and forcible enough for all purposes. When Bordeaux mixture or 

 lime-sulphur-salt mixture, or a whitewash is to be used I change the 

 \'ermorel for the Bordeaux nozzle, which is better adapted to these 

 compounds. This is the exception referred to above. 



Fig. 98. — Automatic Field Sprayer, Six rows. Approximate cost, $72.50. 



Fig. 99. — Automatic Field Sprayer, with five rows of brass piping. Approximate cost, 



$90.00. 



STRAINERS. 

 All compounds used for spraying should be strained before or 

 while being poured into the barrel or other receptacle from which 

 they are to be drawn by the pump. If possible avoid using burlap for 



