Il8 UNDERBILL : MENTALITY OF THE HORSE. 



them may be deceptive. We need go no higher than the 

 insects to find actions which appear to denote mental opera- 

 tions and emotions similar to our own. If we suppose that 

 they have such mentality and that they feel these emotions as 

 we do, then we are forced to the conclusion that the develop- 

 ment of such phenomena is not correlative with organic 

 evolution, and that they are not dependent upon the agency 

 of a highly specialized organ. 



