*5 



the animal thus formed supports himself and 

 his burthen mathematically on every joint ; but 

 in the other cases, the weight of tlie horse falls 

 unequally on his limbs, and he moves auk- 

 wardly and with difficulty. The same general 

 rule holds with respect to men, and all other 

 animals; distortion and bad formation injures 

 action. 



