CHAP. II. 



THEIR INTELLIGENCE. 



93 



If we consider these several cases, we can 

 hardly escape from the conclusion that worms 

 show some degree of intelligence in their 

 manner of plugging up their burrows. Each 

 particular object is seized in too uniform a 

 manner, and from causes which we can 

 generally understand, for the result to be 

 attributed to mere chance. That every object 

 has not been drawn in by its pointed end, 

 may be accounted for by labour having been 

 saved through some being inserted by their 

 broader or thicker ends. No doubt worms 



