234 Insect Architecture. 



which he lias caught in his out-works. He is therefore 

 taught to dig a trap, where he sits like the unwieldy giants 

 of fable, waiting for some feeble one to cross his path. How 

 laborious and patient are his operations how uncertain the 

 chances of success ! Yet he never shrinks from them, 

 because his instinct tells him that by these contrivances 

 alone can he preserve his own existence, and continue that of 

 his species. 



