206 ON PROGRESSION, 



must inevitably fall with great violence. The 

 elongated or darting trot, is computed not to be 

 so speedy as the short quick trot; but it iurnishes 

 a proof of great strength and elasticity of 

 muscle, and is more peculiar to blood horses 

 than to those of any other description. The 

 motion, however, is so different from the short 

 contracted pace of common horses, that bad 

 riders are frequently puzzled to accommodate 

 their seats to it. 



Horses have been said to possess the ability 

 of trotting eighteen miles within the hour; such 

 horses do not trot, but run, that is to say, move 

 all their legs separately and successively as in 

 the walk; whereas in the trot, a horse moves 

 two at once, viz. a fore leg and a hind leg dia- 

 gonally. Custom, however, has determined it 

 to be a trot when the horse does not rise into a 

 gallop. It is a law in the animal oeconomy, that 

 parts which arc most exercised become the 

 strongest, and that animal bodies will perform 



particular 



I 



