-u •■ *# 



'*v^ 





. %/ 



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% 



#*x. 



.«*'"*^ ^:*««#*'^ 



JJaciUus cniiuiiidU ^jioroijcm:^. (Klein.) 

 Filiri pr6]iaiatioii from serum culture^ .showing spores, x HOOO. 



ANAi';kUbii.' Milk Cui/i'uke, sjiuwinu the " Enteritidiw Change. ' (KJeiii.) 

 From left to rightj tubes contain i',,, ym." kmjih ]J,uu c.c. of Nottint,'hani crude sewage. 



[To face page 307. 



