Report on the Bacteriology of Water. 279 



tetragenus in Water. 





Foul water. 



Sea water or 

 Concentrated 

 Salt solution. 



Mineral waters. 



Remarks. 







8—11 dayst 



* Water of Ourcq 

 f Berlin tap water 

 X Seltzer water 



The higher numbers refer to con- 

 taminated well water 



(Green Pas) in Water. 











* Ourcq 

 f Vanne 



VOL. LI. 



U 



