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Landscape Gardening 



least reported, to prove the value of the various common 

 insecticides in destroying this pest, from the nature of the 



Fig. 1 88. — Maple-scale. 

 (Howard: Circular, No. 3, Dept. Agr., 2d Series, Fig. i.) 



insect it seems probable that the kerosene emulsion and 

 soluble oil will be effectual if applied with considerable 

 force, so as to throw it in under the mass of insects and eggs 



