THE CLASSIFICATION OF BACTERIA 12$ 



t Produce general septicaemia in guinea pigs, strongly 

 pathogenic. 



52. Bact. dubium (Kruse). 



53. Bact.felis (Kruse). 



54. Bact. septicum (Trevisan). 



55. Bact. vitulinum. 



XX Slightly or negatively pathogenic to guinea pigs. 



56. Bact. purpurum. 



57. Bact. Bienstockii (Schroter). 



tt Less strongly pathogenic to rabbits ; associated with hem- 

 orrhagic infection of man. 



58. Bact. hamorrhagicum (Kruse). 



59. Bact. velenosum (Kruse). 



60. Bact. nephritidis (Vassale). 

 \\\ Not pathogenic to rabbits. 



61. Bact. aphthosum (Kruse). 



62. .Bact. dysenteries (Kruse). 



** Bacteria, slender, minute, like influenza bacillus. 



63. Bact. saliva (Kruse). 

 b. Non-pathogenic bacteria. 



* Milk not coagulated. 



\ Milk rendered decidedly acid. 



64. Bact. acidum. 



\\ Reaction of milk unchanged. 



65. Bact. Connii. 

 ** Action on milk not stated. 



66. Bact. nitrovorum Jensen. 



67. Bact. filefaciens Jensen. 



Colonies on gelatin of the aerogenes type, non-pathogenic ; mostly 

 milk bacteria, probably of the aerogenes group. 



a. Milk coagulated. 



* Milk coagulated at room temperatures. 



68. Bact. punctatum. 



69. Bact. Middletownii. 



** Milk not coagulated at room temperatures, and only at about 

 35° C. 



70. Bact. coccoideum. 



b. Milk rendered slimy. 



71. Bact. lactis (Kramer). 



c. Milk not coagulated. 



72. Bact. aromafaciens. 



