30 The Art of Biding. 



circulation of the blood in a way which no other 

 kind of exercise can accomplish. It prevents 

 the accumulation of unhealthy fat, by bringing 

 into vigorous play all the muscles of the body. 

 More illness is due to the sluggish action of the 

 organs connected with excretion than many people 

 are aware of; for this is the main cause of impure 

 blood, and of those obstructions in the system 

 which, in some cases, entirely break down the 

 health, and in many others cause such a depres- 

 sion of mind that life is not merely bereft of all 

 enjoyment, but is frequently a burden to carry 

 about. For such, medicine is no good ; riding is 

 the grand panacea ; the only effective doctor. 



