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stroyed by pouring very hot water copiously into their nests, or by using coal-oil in the 

 same way ; a few tablespoonfuls is said to suffice for the destruction of a nest. (5) The 

 burying of a few sliced onions in the nest is said to cause them to abandon their quarters; 

 but if so, they may remove to an equally unsatisfactory position. (6) Carbolic acid and 

 corrosive sublimate are said to be especially poisonous to ants, the latter substance ren- 

 dering them actually insane, if such an expression may be used of these creatures. Among 

 natural checks may be mentioned the ant-lions ( Jft/rmeleo), which dig pits for the capture 

 of the ants, at the bottom of which they lie in wait for their victims, toads, and some 

 species of birds. 



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