PBEFAOE TO FOURTH EDITION 



In revising the General Index it was decided to 

 make it a pronouncing vocabulary. That a professional 

 knowledge of the proper pronunciation of drugs and terms 

 of pharmacology is deplorably absent will be appreciated 

 the moment attention is directed to the matter. So many 

 teachers disregard the subject, it follows that every practi- 

 tioner has a pronunciation of his own — each equally 

 incorrect. 



Notwithstanding the short time which haa elapsed since 

 the last edition of this book, a number of additions have 

 been made to keep it abreast of the times. Since the work 

 has become the recognized authority in Veterinary Materia 

 Medica and Therapeutics, and is the standard text-book on 

 the subject in the veterinary colleges of the United States, 

 the author and publisher feel it their duty to constantly 

 revise its pages in order to hold the book up to that stand- 

 ard which it has hitherto attained. 



Kenelm "Winslow. 

 August, 1906. 



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