INSECT INTRUDERS. 



holes or depressions made in the loose 

 sand. If you examine them you will 

 see that the orifice at the top is per- 

 fectly circular about i ^ to 2 inches 

 across with loose shelving edges, and 

 that this opening trends inwards all 

 round to a point at the bottom, the depth 

 being about an inch and a half. 



A casual inspection will not show you 

 the architect of this beautiful little trap, 

 but if you watch it for some time you may 

 see an unwary insect running along the 

 ground, approach too near the hole, 

 slip over the shelving edge without being 

 able to stop himself and fall to the 

 bottom. With an insect's quick instinct 

 to escape from danger he at once com- 

 mences to endeavour to climb up the sides, 

 but the treacherous sand gives beneath 

 his feet and he drops to the bottom. 



Watch the bottom and you will sud- 

 denly see a commotion in the sand and 

 the intruder seized in a formidable pair of 

 pincers. These belong to the gentleman 

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