NATURE'S CRAFTSMEN 



quote a pioneer phrase. Boxes of this chaff and refuse 

 are collected as another step in our inquiry. 



The last step in our field investigations remains. 

 The interior of one or more of these formicaries must be 

 explored. It is the most difficult task of all; for these 





CROSS-SECTION THROUGH AN AGRICULTURAL ANT's NEST 



The storied arrangement of galleries and granaries underground 



Agriculturals are "embattled farmers." Peaceful in- 

 dustrials as they are, when aroused to defend their 

 possessions they are terrible adversaries. They merit 

 their popular name of ''stinging ants," for they have a 

 barbed sting whose wound is more painful than that of 



92 



