58 



THE INDUSTRIES OF ANIMALS. 



are henceforth cared for by their fellow-slaves; the 

 Pofyei^gus do not trouble themselves further. 



Wars of the ants. — As sociable as man, the manners 

 of ants present more than one resemblance to his. 

 Slave-hunting expeditions are among these ; the wars 

 that these insects undertake also resemble human 

 wars. The causes of the quarrel are of various 



Fig. 7. 



nature, most often they result from the close prox- 

 imity of two ant swarms. The rival colonies are 

 always meeting in the same regions and seeking the 

 same material ; their mutual rivalry strains their 

 relations. A moment cotnes when one of them is 

 decidedly in the way of the other. At such a period, 

 which is almost a diplomatic crisis, great excitement 



