CONTINUED MOBILITY. 211 



which can thus always be kept free from 

 blemish. 



9. Contijitted mohility or pawing ^ lohile 

 stationaTij^ of one of the lim^se^s fore legs; 

 the horse, at the ridei's ivill, executing the 

 movement hy which he, of his own accord, 

 often manifests his impatience. 



This movement will be obtained by the 

 same process that serves to keep the horse's 

 leg in the air. In the latter case, the rider's 

 legs must impress a continued support, in 

 order that the force which holds the horse's 

 leg raised keep up its effect; while, for the 

 movement now in question, we must renew 

 the action by a quantity of slight pressures, 

 in order to cause the motion of the leg held 

 up in the air. This extremity of the horse 

 will soon acquire a movement subordinate 

 to that of the rider's legs, and if the time be 

 well seized, it will seem, so to say, that we 



