Viii TREFRCr. 



In colds., diseases of the lungs, and in many 

 other complaints, a profusion of expectorant me- 

 dicines are generally amongst the prescriptions di- 

 rected by most authors for their removal ; but 

 it is a well-known truth, that the Horse is unable 

 either to vomit or expectorate : and I can safely 

 say, from experience, that such medicines tend 

 more to opprefs and increase, than to remove the 

 symptoms or disease. 



I likewise wish to show my marked disapproba- 

 tion of the use of strong purgatives ; by which too 

 frequently more injury is done to the animal in a 

 few hours, than can be repaired in as many weeks. 

 They certainly are very useful in some Cases, but 

 never should be trusted in an unexperienced hand. 



The purges prescribed in this work, will be 

 found to be composed principally of aloes, some- 

 times united with calomel. Jalap, gamboge, and 

 scammony, I have not recommended ; as their ac- 

 tion on the Horse is not only extremely doubtful, 

 but often injurious; and as aloes and calomel are 

 found to answer every desirable intention. 



Since I wrote on the treatment of Inflammation 

 of the Lungs, in which I advised the practitioner 

 to use gentle purges, joined with occasional mild 



