PREFACE. 



IN preparing this volume it has been the author's aim to 

 furnish the student and general practitioner with a book on 

 Bacteriology from which all unnecessary scientific discussions 

 have been excluded. 



All the matter has been carefully gone over ; and in its 

 finished form this book presents Bacteriology from a stand- 

 point which enables the beginner to gain a full and compre- 

 hensive view not only of this subject itself, but also of its 

 practical relation to medicine. 



The book is systematically arranged on the basis of the 

 course of lectures and laboratory exercises given by the 

 writer for several years past ; and is also a composite of 

 what to his mind are the most valuable features of the larger 

 works, the practical side of Bacteriology being especially 

 emphasized. 



Each chapter is intended to represent one lecture, although 

 in some instances two chapters are embraced because of the 

 brevity of the subjects contained. 



The limited scope of this work has made it impossible to 

 give credit in the text to the references used ; but the author 

 wishes to acknowledge his obligations to the works of 

 Abbott, Park, McFarland, Sternberg, Levy and Klemperer, 

 Yaughan and Novy, and Newman, of which free use has 

 been made in the preparation of the text. 



F. C. Z. 



224 CENTRAL PARK Av., 

 CHICAGO, 1903. 



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