51 



118. Bacillus nanus; 120. Bacillus oleraceae; 121. Bacillus 

 olfactorius; 123. Bacillus oleae; 126. Bacillus oxalatus; 127. 

 Bacterium paracoli gasformans anindolicum; 128. Bacillus 

 parvus; 129. Rhodobacillus palustis; 131. Bacterium Petro- 

 selini; 132. Bacillus prodigiosus; 133. Bacillus lactis proteo- 

 lyticus; 134. Bacillus plicatus; 136. Bacillus proteus; 138. 

 Bacillus punctatus; 140. Bacillus phosphorescens; 141. 

 Pseudomanaspyocyanea; 143. Pseudomonas radicicola clover; 

 146. Micrococcus roseus; 147. Bacillus of ropy milk; 148. 

 Micrococcus rhodochrous; 149. Bacillus brunneus mycoides 

 roseus; 150. Bacillus capsulatus roseus; 151. Bacillus ruber; 

 152. Micrococcus ruber; 153. Bacillus subtilis var ruber; 154. 

 Bacillus ruber Plymouth; 157. Bacterium rugosum; 158. 

 Bacillus ruber of Kiel; 162. Bacillus rutilus; 163. Bacillus 

 rutilensis; 165. Bacillus silvaticus; 166. Bacillus simplex; 

 167. Vibrio saprophilus; 168. Micrococcus sordidus; 170. 

 Bacterium der sorbose; 171. Bacillus solanisparus; 173. 

 Staphlococcus cereus aureus; 175. Staphlococcus pyogenes 

 albus; 176. Staphlococcus pyogenes aureus; 177. Bacillus 

 ochraceus subflavus; 180. Bacillus subtilis; 181. Bacterium 

 Stutzeri; 182. Bacillus synxanthus; 183. Bacterium tremel- 

 lioides; 186. Bacillus typhosus; 187. Bacillus paratyphosus; 

 188. Sarcina ventriculi; 189. Bacillus violaceus; 190. Azoto- 

 bacter vinelandii; 191. Micrococcus viticulosus; 192. Bacillus 

 proteus viridis; 193. Bacillus aquatile villos; 195. Spirillum 

 volutans; 196. Bacillus proteus vulgaris; 197. Bacterium 

 xanthochlorum; 198. Bacillus xylinum; 199. Bacillus proteus 

 Zenkeri; 201. Boden I. (Tsiklinsky Siidpolarexpedition 

 19035). 



THE FOLLOWING ORGANISMS DID NOT REDUCE 

 NITRATE TO NITRITE 



4. Micrococcus agilis; 9. Bacillus pseudo-anthracis; 18. 

 Bacterium aurantiacus; 19. Sarcina aurantiaca; 24. Bacillus 

 butyricus; 25. Bacillus candicans; 26. Micrococcus candicans; 

 28. Bacillus campestris; 29. Rhodobacillus capsulatus; 32. 

 Micrococcus cereus; 33. Micrococcus carneus; 36. Micrococ- 

 cus citreus; 38. Micrococcus concentricus; 45. Bacillus 

 cyaneus; 46. Bacterium crysogloia; 48. Bacillus dendroides; 



