BREAKING AND TRAINING. 



451 



which has been acquh'ed at personal inconvenience, will not be long 

 maintained, when the inducement no longer operates. 



But, to take a practical view of the good likely to result from lunging. 

 Horses sometimes are obliged to move in circles : mill horses pass theii 

 lives in such educational employment. The only effect produced by this 

 long course of instruction is that the poor victims become sightless. 

 Traveling round and round soon causes giddiness, or induces a determ- 

 ination of blood to the brain. Young animals often stagger when re- 

 lieved from their monotonous course of lunging duties. Old quadrupeds, 

 we are told, grow used to the motion ; but such familiarity is purchased 

 with the deprivation of one "precious sense." This termination is 

 hastened with the rapidity of the movements. Mill horses walk their 

 monotonous rounds ; but the breaker, dreading no results, makes the colt 

 trot when describing this, his favorite figure. 



^i. 



Blood, therefore, rapidly loads and oppresses the brain of the young 

 animal thus abused ; and this consequence is the quicker as the pace is 

 more excited, because the circulation is not only faster, but it is also 

 more under subjection to external influences in the young than in the 

 matured. The optic nerves originate from the sensorium, being a direct 

 continuation of the substance of the brain itself; whenever the nervous 

 ceJhter is congested, sight is the first sense that suffers, or the first that 



