IV. PEEFACE. 



few persons are familiar with the process, or really appreciate 

 Ihe use and benefits which they derive from such legislation. 



The author, in compiling this short treatise, has obtained 

 much information from many noted authorities, credit to whom 

 is given in the pages of this work; especially is he under great 

 obligations to Dr. A. S. Alexander, Professor of Hygiene and 

 Breeding at the Chicago Veterinary College, for much valuable 

 inforination, and whose able assistance and ability used in editing 

 this work has made it possible for it now to be presented to the 

 general reader. 



THE AUTHOR. 



