41 



59. Bacillus faecalis alcaligenes: good growth; slight evolution of gas 



on addition of acid; nitrate content not greatly diminished; 



Weak formation of nitrite. 



60. Sarcina flava: fair growth; slight evolution of gas on addition of 



acid; nitrate content not greatly diminished; 



Weak formation of nitrite. 



61. Micrococcus flavus: moderate growth; slight evolution of gas on 



addition of acid; nitrate content not greatly diminished; 



Weak formation of nitrite. 



62. Bacillus flavidus: moderate growth; weak evolution of gas on addi- 



tion of acid; nitrate content not greatly diminished; 



Weak formation of nitrite. 



63. Bacterium filiforme: good growth; slight evolution of gas on addi- 



tion of acid; nitrate content not greatly diminished; 



Weak formation of nitrite. 



64. Bacterium filifaciens: good growth; vigorous evolution of gas on 



addition of acid; nitrate content greatly diminished; 



Strong formation of nitrite. 



65. Bacillus Fitzianus: good growth; slight evolution of gas on addition 



of acid; nitrate content not greatly diminished; 



Weak formation of nitrite. 



66. Bacillus fluorescens liquefaciens: good growth; vigorous evolution 



of gas on addition of acid; nitrate content greatly diminished; 



Strong formation of nitrite. 



67. Bacillus fluorescens non-liquefaciens: good growth; vigorous evolu- 



tion of gas on addition of acid; nitrate content greatly dimin- 

 ished; Strong formation of nitrite. 



68. Bacillus fluorescens tenuis: good growth; no evolution of gas on 



addition of acid; nitrate content unchanged; 



No formation of nitrite. 



69. Bacillus Frostii: good growth; slight evolution of gas on addition 



of acid; nitrate content not greatly diminished. 



Weak formation of nitrite. 



70. Bacillus fuchsinus: moderate growth; no evolution of gas on ad- 



dition of acid; nitrate content unchanged; 



No formation of nitrite. 



71. Sarcina gasformans: moderate growth; no evolution of gas on 



addition of acid; nitrite content unchanged; 



No formation of nitrite. 



72. Bacillus graviolens: good growth; no evolution of gas on addition 



of acid; nitrate content unchanged; 



No formation of nitrite. 



73. Bacterium aquatile griseum: good growth; vigorous evolution of 



gas on addition of acid; nitrate content greatly diminished; 



Strong formation of nitrite. 



74. Micrococcus grossus: moderate growth; slight evolution of gas on 



addition of acid; nitrate content not greatly diminished; 



Weak formation of nitrite. 



