MICRO-ORGANISMS IN WATER 



THEIR SIGNIFICANCE, IDENTIFICATION 

 AND REMOVAL 



TOGETHER WITH AN ACCOUNT OF THE BACTERIOLOGICAL METHODS 

 EMPLOYED IN THEIR INVESTIGATION 



SPECIALLY DESIGNED FOB THE USE OF THOSE CONNECTED 

 WITH THE SANITARY ASPECTS OF WATEE-SUPPLT 



BY 



PERCY FRANKLAND, PH.D., B.Sc. (LOND.), F.R.S. 



ASSOCIATE OP THE ROYAL SCHOOL OP MIXES 



FELLOW OF THE INSTITUTE OP CHEMISTRY, FELLOW OF THE CHEMICAL SOCIETY 



HONORARY MEMBER OF THE NORTH OF ENGLANDJNSTITUTE- OF TECHNICAL BHKWIN*; 



PROFESSOR OF CHEMISTRY IN UNIVERSITY COLLEGE, DUNDEE, ST ANDREWS UNIVERSITY 



AND 



MRS PERCY FRANKLAND 



JOINT AUTHOR OF 'STUDIES ON SOME NEW MICRO-ORGANISMS OBTAINED FROM AIR ' 



'ON SOME NEW AND TYPICAL MICRO-ORGANISMS OBTAINED FROM WATER AND SOIL' 



'THE NITRIFYING PROCESS AND ITS SPECIFIC FERMENT' ETC. 



R A 

 OF THE 



UNIVERSITY 



OF 



LONDON 

 LONGMANS, GBEEN, AND CO. 



AND NEW YOEK : 15 EAST 16 th STREET 



1894 



All rights reserved 



