MICROSCOPIC BRAINS. 15 



even have us believe that ants possess a 

 scent-language of their own, and emit various 

 odours from their antennae which the other 

 ants perceive with theirs, and recognise as 

 distinct in meaning. Be this as it may, you 

 cannot doubt, if you watch them long, that 

 scents and scents alone form the chief means 

 by which they recollect and know one an- 

 other, or the external objects with which they 

 come in contact. The whole universe is 

 clearly to them a complicated picture made 

 up entirely of infinite interfusing smells. 



