THE FINDING OF THE QUEEN OF Till-: ARMY ANT. 143 



FIG. 3. Part of the suspended bivouacking colony of Eciton hamalum Fabr. on 

 Barro Colorado Island. The interlacing legs and antennae of the thousands of ants 

 are distinctly shown. The white spots are the heads of the soldiers scattered 

 among the swarm. About j natural size. Photograph by Dr. David Fairchild. 



