PATHOGENIC BACTERIA IN DIFFERENT WATERS 325 



5 



1 : 



do 



i g S5 fe i 



c 5 .= "S .5 



i ii 



iU s 



II I& 





 | 



<D 



^ 





I 



i 



:|| 'i 



M e 



W sq , = 



H f 



1 >a 3 1 



ttllil . 







