62 



JUNGLE ISLAND 



I myself met the big black ants Figure 2 7 shows, 

 called by the natives **Congos," living at the root 

 of a tree in a well-cleared forest trail. If some 



Fig. 27. Big "Congo' ants 



one knocked on the tree, the ants rushed up from 

 the ground in fighting humor, and the sting of 

 one of these inch-long warriors was as lasting as 

 a hornet's. They came into my shack searching 

 for food. At night they could be seen hunting 

 up and down their tree trunk, always on the same 



