HOW ANTS COMMUNICATE 



the abdomen upon the post-petiole which produces the 

 same effect, probably even more generally than the 

 above. 



Professor Wheeler believes that stridulation is an 

 important means of communication ---at least among 



E.i.s 



i. ab.pl 



"e. ab.pl 



Fig. 66 PROBABLE STRIDULATING ORGANS ON ABDOMINAL 



PLATES OF ANTS. (MAGNIFIED SECTIONAL VIEWS) 



E. i. .<?. Epithelium; imbricated, serrate edge. i. ab. pi. Interior 

 of abdominal plate. e. ab. pi. Exterior of abdominal plate 



such ant families as the Mrymicince, Ponerinse, and 

 Dorylina3. To this he attributes the rapid congregation 

 of ants when particles of food are discovered by errant 



145 



