552 Profs. Percy Frankland and Marshall Ward. 



The average number of anthrax hacilli in these infected Thames 

 and Dundee waters at the outset was, therefore, about 6000 per 1 c.c. 

 Some of these tubes were then placed in a refrigerator at 5 C., others 

 were kept in a cupboard at 13 C., whilst others were put in an 

 incubator at 19 C. The water in these tubes, kept afc the different 

 temperatures specified, was submitted to plate cultivation at intervals, 

 with the following results : 



Water kept at 5 C. 



Thus, in the Thames water maintained at 5 C. the anthrax bacilli 

 (introduced to the number of 6000 per 1 c.c.) had already undergone very 



