INSECT INTRUDERS. 



in size, theirfrontupper parts being heavily 

 rasped with projections, and the beetles 

 being squarer and bulkier in appearance. 



These timber beetles pass through 

 from three to four generations in the year 

 or there may be five, the number of 

 course depending upon the climate of the 

 locality in which they are living and on 

 the species ; it being a general rule that 

 there are more generations of an insect 

 in a year in a damp hot climate than 

 in a cold dry one. 



I have found that the best way to 

 preserve the timber and bamboos in the 

 roof of the bungalow and the timber up- 

 rights, etc., is to soak them for a more 

 or less long period in crude Rangoon oil. 

 The articles should be first thoroughly 

 soaked in water (and more especially is 

 this necessary with bamboos) for a couple 

 of days and then soaked for 48 hours (in 

 the case of bamboos) in the oil. The 

 period would be longer for the small poles 

 used in the roof and longer still for the 



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