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IV PREFACE. 



in their list, formed their boasted prac- 

 tice. 



The science at one time began to rise 

 above the order of smiths, and attracted 

 the notice of medical practitioners* ; 

 but it was not hereby greatly improved : 

 they were not aware of the difference 

 that has since been found to exist be- 

 tween the structure and economy of the 

 horse, and that of the human subject : 

 nor had they any idea that this dissimi- 

 larity required much consideration with 

 respect to disease, and the effect of me- 

 dicine. Hence they were led to bring 

 the therapeutics and pathology of the 

 human body to veterinarij science ; and 

 prescribed in somewhat larger doses to 

 the brute animal, what they had found 

 useful to manf. Their practice v/as of 



* See Dr. Bracken's Treatise on Farriery ; aho 

 Gibson's and Bartlett's. 



f Arsenic affords a striking example of this fact. 

 In the human system, it is a deadly poison, but it 

 has been given to the horse, even to the extent of two 

 drams, without any sensible effect. (See Anenic.) 



