VI PREFACE 



We have pleasure in acknowledging our indebtedness to 

 the following periodicals and standard works on Bacteri- 

 ology : 



The Local Government Board Eeports. 



The British Medical Journal. 



The Lancet. 



The Journal of State Medicine. 



The Medical Press and Circular. 



The Pharmaceutical Journal. 



The Journal of Pathology and Bacteriology. 



Crookshank, ' Manual of Bacteriology.' 



Prankland, ' Micro-orgapisms in Water.' 



Hansen, ' Practical Studies iji Fermentation.' 



Jorgensen, ' ]\iicro-organisms and Fermentations.' 



Kanthack and Drysdale, ' Practical Bacteriology.' 



Migula, ' Introduction to Practical Bacteriology.' 



Prudden, ' Story of the Bacteria.' 



Schenk, ' Elements of Bacteriology.' 



Sternberg, ' Manual of Bacteriology.' 



Woodhead, ' Bacteria and their Products.' 



Wiirtz, ' Precis de Bacterio][ogie Clinique.' 



T. H. PEAEMAIN, 

 C. G. MOOE. 



26, COLEBEOOKE BOW, LoNDON, N. 



July Wth, 1896. 



