BACTERIA 



ESPECIALLY AS THEY ARE RELATED 

 TO THE ECONOMY OF NATURE 



TO INDUSTRIAL PROCESSES 

 AND TO THE PUBLIC HEALTH 



BY 



GEORGE NEWMAN 



M.D., F.R.S. (Edin.), D.P.H. (Camb.), etc. 



DEMONSTRATOR OF BACTERIOLOGy IN KING's COLLEGE, LONDON 



ILLUSTRATED 



NEW YORK 



G. P. PUTNAM'S SONS 



LONDON 



JOHN MURRAY 

 1899 



