! e o 3 J 



INTRODUCTION;' - v, 



More than half a century has passed 

 since I gave the first dose of medicine to 

 my dog. Since that time, I regret to say, 

 deep under the sod Hes many a victim of 

 mistake — not willful, nor repeated when 

 the truth was learned, but still mistake 

 that cost me dear, as I ever deeply loved 

 my pets. In the course of time I learned 

 by sad experience that many of the books 

 that I looked to for light were but ignis 

 fatiius that led me on to the destruction 

 of my pets and the ruin of my hopes. 



After discovering that something was 

 radically wrong, I earnestly set out to 

 learn the why and the wherefore, mean- 

 time refraining from administerinp- any 



