92 ORDER I. PSEUDOMONADALES 



ff. Musty odor not produced in culture media. 



24. Pseudomonas incognita. 



25. Pseudomonas rugosa. 

 ee. Reaction in milk alkaline. 



26. Pseudomonas mildenhergii. 



27. Pseudomonas convexa. 

 cc. Non-motile. 



28. Pseudoinonas eisenbergii. 

 aa. No growth in gelatin. 



29. Pseudomonas erythra. 

 2. Soluble pigments not produced or not reported. 



a. Gelatin liquefied. 



b. Polar flagellate. 



c. Grow readil}" at 42° C. 



d. Alkaline reaction in milk. 



1. Pseudomonas aeruginosa (achro- 



mogenic variety' ). 

 dd. Acid reaction in milk. 



2. Pseudomonas pseudomallei 



(achromogenic variety). 

 cc. Grow readily at 25° C. but poorly or not at all at 37° C. 

 d. Acid reaction in milk. 



e. May-apple odor produced in milk. Nitrites not produced 

 from nitrates. 



30. Pseudomonas fragi. 



ee. Musty odor produced from all media. Nitrites and am- 

 monia produced from nitrates. 



31. Pseudomonas perolens. 

 dd. Alkaline reaction in milk. 



32. Pseudomonas mephitica. 



33. Pseudomonas putrefaciens . 



34. Pseudomonas cohaerens. 

 aa. Gelatin not liquefied. 



b. Polar flagellate. 



c. Grow readily at 37° C. 



d. Action on cellulose not known or not reported, 

 e. Acid produced in milk. 



35. Pseudomonas avMgua. 

 ee. Milk imchanged. 



36. Pseudomonas oleovorans. 

 eee. Action on milk unknown or unreported. 



f. Utilize hydrocarbons. 



37. Pseudomonas arvilla. 



38. Pseudomonas dacunhae. 



39. Pseudomonas desmolytica. 



40. Pseudomonas rathonis. 



41. Pseudomonas salopia. 

 ff. Ability to utilize hydrocarbons unreported. 



g. Nitrites not produced from nitrates. 



42. Pseudomonas cruciviae. 



gg. Nitrates, nitrites, nitramids and NoO reduced 

 to elemental nitrogen. 



43. Pseudomonas stutzeri. 



