Report on the Bacteriology of Water. 



269 



of certain pathogenic forms in various waters. It is necessary to 

 different conditions by the different observers, and that they cannot 

 compile these results, if only to show how much remains to be done 



anthracis in Water. 



Foul water. 



3 days 

 Over 15 day? 



Over 15 days 

 Over 60 days 



(BP-) 



Sea water or 

 Concentrated 

 Salt solution. 



Mineral waters. 



15 inin. tol hour§ 

 Over 154 



Remarks. 



Refers to bacilli 



* Water of Ourcq 



f Pure water of Yanne 



Refers to bacilli and not to spores 



Spores 



X Berlin tap water 

 § Seltzer water 

 Bacilli only 



All = spores 



Employed three waters ; viz., the 

 Munich town supply, and two well 



waters 



Drinking water 



Panke water, both filtered and un- 

 filtered 



It seems impossible to avoid, the 

 conclusion that there must have 

 been spores in Wolffhugel's ex- 

 periments ; the bacilli were taken 

 from cultures, not blood 



Employed Grand Junction water 

 and London sewage, both sterilised 



