PREFACE. " V 



course unsuccessful, and the art sunk 

 into its original disrepute. It is only 

 since the institution of the Veterinary 

 College, that the anatomy and physio- 

 logy of the horse have been properly 

 investigated, and the effects of medicines 

 on his body correctly ascertained, by 

 numerous and appropriate experiments, 

 both in health and disease, so that a se- 

 cure foundation is now laid ; and, as 

 long as scientific men continue to study 

 and practise the veterinary art, it must 

 necessarily be in a progressive state of 

 improvement. 



Notwithstanding many books have 

 already been published concerning the 

 diseases of the horse, the theraoeutical 

 part, or what relates to the medicines 

 proper for his diseases, has not been 



It has in a few instances however produced violent 

 effects even in smaller doses. 



Pl^/iite Vitriol, a strong emetic in the human body, 

 in a small dose ; has been given in the dGse of eight 

 ounces, without any violent effect. This, indeed, is 

 the case with many other medicines, which in man, 

 are considered poisonous. 



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