Contents vii 



CHAPTER FOUR. DDT FORMULATIONS 



From Laboratory to You 67 



An outline of the various types of DDT formulations. 



Sprays and Sprays 69 



The difference between space sprays and residual sprays 

 is discussed. 



Grade AA 71 



The significance of the different grades of space sprays. 



100% Active 74 



The solvents used in sprays contribute to the killing 

 action. 



Oil to You 74 



Kerosene, the common DDT solvent. 



Why DDT in Space Sprays? 79 



A small percentage of DDT in space sprays greatly 

 increases the kill. 



The Killing Mist 80 



The aerosol bomb and how it works. 



Long-Lived Action 82 



The residual spray for long-lasting action. 



Powdered Death 84 



DDT powders for the control of lice, fleas, ants, and 

 cockroaches. 



Milky White 85 



DDT emulsions and their advantages. 



Powders That Wet 87 



Dispersible powders for use in barns and on livestock 

 and crops. 



Dust the Plants 88 



DDT powders for agricultural purposes. 



Save the Surface 89 



DDT in paints. 



CHAPTER FIVE COMMON INSECT ENEMIES 



The Lousy Louse 91 



Types of lice and how they live. 



What's That In Your Hair? 93 



The head-louse and how it can be controlled. 



