197 



Or carbon bisulphide may be poured on to a large piece of cotton 

 wool placed in one of the upper chambers of the nest and the hole 

 above stopped with clay. The vapour of carbon bisulphide being 

 heavy and very poisonous, sinks along the passages, killing all insects 

 with which it comes in contact. 



A third improved method would be to find and destroy the queen 

 and then poison the rest of the inmates of the nest. 



Specimens of the various forms of this Termite, preserved in 

 spirit, and the queen chamber in the nest, as well as information about 

 the nesting habits, distribution and damage caused, will be most wel- 

 come if addressed to : — 



The Director of Agriculture, F.M.S., 



Kuala Lumpur. 



Selangor. 



