IQ HINTS ON HORSEMANSHIP. 



in a boat uses an oar, he can accelerate or impede the motion 

 of the boat, because his strength is employed, through the 

 medium of the oar on the water, which is a foreign fulcrum ; 

 but if he take hold of the chain at the head of the boat, 

 his whole strength will not accelerate, nor impede, the motion 

 of the boat, because there is neither foreign force nor foreign 

 fulcrum. His whole strength is employed within the boat, 

 and as much as he pulls backward with his hands, he pushes 

 forward with his feet. 



All the arguments which I have heard adduced against 

 the doctrine here laid down, would also go to prove that a 

 horse cannot fall which has a bearing-rein and crupper, that is, 

 whose head is tied to his tail. Sir Francis Head's observations 

 about bearing-reins, in the " Bubbles of the Brunnen," are 

 quite philosophical. They should nevej be used except for 

 purposes of parade, or to acquire greater power over a dif- 

 ficult team. Sir Francis's observations are also true of the 

 harness used by the peasantry of Nassau, which he describes ; 



