70 



JUNGLE ISLAND 



dunes, but they are much commoner and more 

 important in the warm countries. 



The termite tree nests are made of paper mixed 

 with clay and cemented in place with juice from 

 their mouths while it is still moist. Like the 

 tree ants, they make the paper by chewing up 



Courtesy of U. S. Department of Agriculture 



Fig. 31. Termite runways built into space 



wood. Some of the nests are so hard and flinty 

 that they dull the edge of a machete. They are 

 very much more solid than the nests of the paper- 

 making ants. No opening can be seen. The 

 termites come and go through covered tunnels. 

 Wherever the termites go they build these tiny 

 runways to travel through (Fig. 31). If they go 

 down tree trunks or over the ground, they make 



