35 



time in bad condition, to tlie great loss 

 and inconvenience of the owner. 



Even if the horse escapes the immedi- 

 ate danger to the Inngs, the increased 

 waste, chiefly of the muscles, caused by 

 the severe exercise, increases the demand 

 for oxygen, and if he is taken back to his 

 accustomed close stable, where the supply 

 of oxygen is insufficient, his embarrass- 

 ment is very much aggravated, and the 

 blood becomes more loaded than before 

 with these unconsumed materials, which, 

 floating in the blood current, act, as I said 

 before, as poisons to the tissues, especially 

 to the muscles, which are supplied with 

 an enormous amount of blood, and there- 

 fore are much more exposed to the action 

 of these poisons ; and the muscles, being 



