Report on the Bacteriology of Water. 



405 



e8 

 H 



TJ 



c 



'Hn 



1^ : 



i a . 



a 



12 

 c 



HS 



J= l 



HS| 

 1- 



H2HS 



1= lo 

 -lo-io 



1- H 



^-!S 



pq 



