APPENDIX II. 209 



Tarlk 5.— Bisulphipk of cakhon. 



In tabit) 5 are giveu tlio results of several exi)oiiui('nts with this insecticide. The 

 emulsion, of which the inyrediouts are given in the table, was formed hy beating to- 

 gether ^'ith a spatula the carbon and lard oil and then adding the milk and water, 

 and emulsifying in the same manner. 



The trees in experiments 40 and 41 were very soverly checked, although not seriously 

 injured, and all subsequently recovered. In experiment 39 the mixture was applied 

 during a rain, and was entirely without efiect upon the tree or scale. 



