Report on the Bacteriology of Water. 



269 



.S 



M 



U 

 & 



I 



o 

 f-. 



(S 



bo 

 P 

 o 



H= 



00 



| 

 C3 



Eh 



Remarks. 



A very large proportion was 

 anthrax, but a foreign form 

 had intruded into the flask. 



Plate spoilt, but some an- 

 thrax was recognised. 



All pure anthrax, and cer- 

 tainly not fewer than last. 



Calculated average 

 number of bac- 

 teria per 1 c.c. 

 of water. 



Anthrax. 



8888 



vcToTcm J> a. 



H N CO M 



© 



8 



cv. cv. © cl. 



© 



T— 1 





Total. 



O O O O O 



o o c o o 



OH ilJlOO 

 iH CM CO CO CM 



© 

 © 



o.. ex. ©" cv. 



1 





Number of 

 colonies on plate. 



Anthrax. 



o o © o 

 ©©©©„.. 



CO CM ■<$■ 



M 



H g © 





Total. 



© © o © © 



O © © © iO 



co io \a \a oo 

 CO <M ^ 



Too 

 manv to 

 count 



4800 

 Too 

 many to 

 count 



Diluted or 

 not. 



o 



a 



o 



J 



-e 

 Jo 



Quantity 

 of water 

 used for 

 plate. 



O I" 5 m l in J" 5 ml" 5 J 1 " 



_|m |U5 llS _|lO 





Charge 



of 

 anthrax 

 used. 



© r-H 



% 5 < 



ft 02 



bC 

 ft 



Number 

 of days 

 plate 

 was in- 

 cubated 

 at 20° C. 



CO CO t? CO 



CO CO CO CO 



Number 

 of days 

 water 



stood at 

 20° C. 



OOHHN 



CM CO X> i> 











Date of 

 making 

 plates. 



cm oq co co ^ 



CM (M CM CM CM 



tji ia cs as 



CM CM CM CM 





Pate on 

 which 

 water 

 was 

 collected. 



CM 

 CM 













