1 6 ADELE M. F1ELDE. 



Through the male element, it probably differentiates the odor 

 of queens of the same species, enabling the workers to find, to 

 defend, and to cherish their own queen. 



It differentiates ants otherwise alike ; determines their distribu- 

 tion in separate communities ; dictates the behavior of members 

 of one colony toward those of another colony, and in connection 

 with an acute sense of smell and a powerful memory, is a domi- 

 nant factor in the life of the individual ant and in the structure of 

 the ant-colony. 



