282 



Profs. Percy Frankland and Marshall Ward. 



o 



• 



Remark?. 



j It is interesting to note how 

 I much fewer the water 

 j colonies were in the flask 

 of boiled water. 



Number of 

 colonies 

 on plates. 



Anthrax. 



© oooo ooo 



Total. 



CO 050^^ OOOO 



Diluted or 

 not. 



^3 .... 

 Jo 



Quan- 

 tity of 

 water 



used 



for 

 plates. 



© Jo . J= . lo .Jo . 

 O I" 1" "in l« 



Time 

 plate 

 was 

 incu- 

 bated. 



oo io qo uo oo »o 00 



Tempe- 

 rature 



at 

 which 

 water 

 stood. 



o | . . . ; ... 



o o 



Exposed 



to 

 light or 

 not. 



.... ... 



I O n3 



Number 

 of days 

 the water 

 had 

 stood. 



CO „ „ 

 i— i ~ " ~ ~ 



Date of 

 making 

 plates. 



CO 



+3 .... ... 



o 



o 



Date on 

 which 

 water 

 was 

 collected. 



.... ... 



03 



Contents 



01 



flask. 



boiled 

 water 

 infected 



raw 

 water not 

 infected 



Flask. 



O = * = ~ 3 



