PAPERS READ, 



NOTES ON THE BACTERIOLOGICAL EXAMINATION 

 OF WATER FROM THE SYDNEY SUPPLY. No. III. 



By Dr. Oscar Katz. 



During the time from 30th December, 1886, till 17th March, 

 1887, I was able to carry out seventeen bacteriological examin- 

 ations of Sydney Water, which was in all the cases derived from 

 the tap in the Laboratory of the Linnean Hall. The results of 

 these different tests, as regards the quantity of bacteria in the 



