SOME QUEER AND TROUBLESOME NEIGHBORS. 53 

 der and admiration of all observers, from the time of 



Y/^^^ 



Solo- 

 mon to the 

 present. They 

 seem to possess 

 instincts which border 

 close upon reason, for they 

 build bridges, bore tunnels, 

 excavate galleries; some of 

 them make slaves of other ants, 

 and others keep a sort of insect 

 cow that yields 

 them milk. 

 Their hfe 

 histories 



The Army of 

 Ants. 



■/'P 



have been carefully studied by some of the most emi- 

 nent naturalists. 



