48 



170. Bacterium der sorbose: good growth; vigorous evolution of gas on 



addition of acid; nitrate content greatly diminished; 



Strong formation of nitrite. 



171. Bacillus solanisparus: good growth; vigorous evolution of gas on 



addition of acid; nitrate content greatly diminished; 



Strong formation of nitrite. 



172. Bacillus sphaericus: good growth; no evolution of gas on addition of 



acid; nitrate content unchanged; 



No formation of nitrite. 



173. Staphlococcus cereus aureus: good growth; moderate evolution of 



gas on addition of acid; nitrate content slightly diminished; 



Weak formation of nitrite. 



174. Staphlococcus pyogenes citreus: good growth; no evolution of gas 



on addition of acid; nitrate content unchanged; 



No formation of nitrite. 



175. Staphlococcus pyogenes albus: good growth; moderate evolution of 



gas on addition of acid; nitrate content slightly reduced; 



Weak formation of nitrite. 



176. Staphlococcus pyogenes aureus: good growth; fair evolution of gas 



on addition of acid; nitrate content slightly diminished; 



Weak formation of nitrite. 



177. Bacillus ochraceus subflavus: good growth; vigorous evolution of 



gas on addition of acid; nitrate content greatly diminished; 



Strong furmation of nitrite. 



178. Bacterium subflavum: fair growth; no evolution of gas on addition 



of acid; nitrate content unchanged; 



No formation of nitrite. 



179. Micrococcus sulfur: moderate growth; no evolution of gas on 



addition of acid; nitrate content unchanged; 



No formation of nitrite. 



180. Bacillus subtilis: good growth; moderate evolution of gas on ad- 



dition of acid; nitrate content slightly diminished; 



Weak furmation of nitrite. 



181. Bacterium Stutzeri: good growth; strong evolution of gas on ad- 



dition of acid; nitrate content greatly diminished; 



Strong formation of nitrite. 



182. Bacillus synxanthus: good growth; moderate evolution of gas on 



addition of acid; nitrate content moderately diminished; 



Weak formation of nitrite. 



183. Bacterium tremellioides: good growth; vigorous evolution of gas on 



addition of acid; nitrate content greatly diminished; 



Strong formation of nitrite. 



184. Bacillus tumefaciens: fair growth; no evolution of gas on addition 



of acid; nitrate content unchanged; 



No formation of nitrite. 



185. Bacillus tumescens: good growth; no evolution of gas on addition 



of acid; nitrate content unchanged; 



No formation of nitrite. 



