/ 



88 PRINCIPLES OF P. IV. 



dexterous and readily soever you may be, 

 yet when you only use your hand and leg, 

 without letting their aids proceed from, and 

 be guarded by, your body, they never can 

 operate so effectually, and their action is infi- 

 nitely less smooth, and not so measured and 

 proportioned, as when it proceeds only from 

 the motion of the body. 



The same motion of the body is likewise 

 necessary to turn entirely to the right or left, 

 to make your horse go sideways on one line, 

 or to make the changes. 



V. If you would make the horse go back- 

 ward, throw gently back your own body, 

 your hand will go with it, and you will make 

 the horse obey by a single turn of the wrist, 



