/CHEMICALLY pure carbon disiilphid is a colorless 

 ^^ watery liquid formed by the union of two ele- 

 mentary particles of sulphur with one of carbon. Its 

 chemical symbol is therefore CSg. The name is spelled 

 in several ways: Disulphid, disulphide, bisulphid, and 

 bisulphide. The colloquial name most frequently used 

 appears to be "high life." 



This bulletin gives the necessary facts regarding the 

 nature of carbon disulphid and the general principles 

 involved in the safe, economic, and effective use of this 

 valuable insecticide. It is a revision of Farmers' Bul- 

 letin 145, which it replaces, but it includes new informa- 

 tion based to a large extent on work conducted by the 

 author at the Alabama Experiment Station and pub- 

 lished here with the approval of the director of that 

 station. The bulletin is adapted to all parts of the 

 country. 



