Page:Bergey's manual of determinative bacteriology.djvu/175




 * bb. Brown pigment produced in beef-extract media.


 * aa. Nitrites produced from nitrates.


 * aaa. Ammonia produced from nitrates.


 * 3. Starch not hydrolyzed.
 * a. Nitrites produced from nitrates.

aa. Nitrites not produced from nitrates.


 * aaa. Ammonia produced in nitrate media.


 * 4. Starch hydrolysis not reported.
 * a. Nitrites produced from nitrates.


 * aa. Nitrites not produced from nitrates.