136 SELECTIOir OF A EEMEDT. 



other diseases of a similar character. The only symptoms 

 pathognomonic of the organ affected, are the rasping, sawi/ng, 

 and trumpet-like sounds, the existence of which indicate the 

 nature of the affection in a way which is unmistakeable to the 

 experienced observer. 



In all cases then, we repeat, those in attendance upon the 

 patient should, upon every occasion, fix their attention upon the 

 pathognomonic symptoms of the disease ; by doing so, they go 

 direct to the centre of the malady, and at once strip the matter 

 of all obscurity and confusion. 



Selection oe a Remedy. — Having thoroughly examined 

 our patient, and arrived at a satisfactory conclusion regarding 

 the nature of the disease, the next thing is to select the proper 

 remedy with a view to the removal of the malady. Upon this, 

 however, my remarks will be brief. The principal diseases to 

 which the horse is subject are described in the present treatise ; 

 together with such details respecting their medical, surgical, 

 and hygienic treatment, as will enable the reader to select that 

 remedy the best adapted to meet the requirements of the case. 



I will conclude this portion of the present section by laying 

 down a few plain rules relating to drugs and their exhibition 

 in disease : — 



I. — GEisruiisrENESs or Detjgs. — The superintendent of 

 a ease of disease should possess a moral certainty that the 

 remedy he may resort to is genuine ; without the drug be 

 genuine he must expect the result either to be nil, or in the 

 highest degree doubtful. 



TI. — Simple Medicines. — Keep to simple medicines. 

 One of the greatest evils in veterinary practice is that of 



