FAMILY PSEUDOMONADACEAE 



193 



2. Indole not formed. 



a. Milk not coagulated. 



4. Vibrio tyrogenus. 



5. Vibrio xenopus. 

 B. Nitrites not produced from nitrates. 



1. Indole is formed. 



a. Milk coagulated, peptonized. 



6. Vibrio piscium. 



2. Indole not formed. 



a. Milk acid, coagulated. 



7. Vibrio proteus. 



8. Vibrio wolfii. 



9. Vibrio sputigeniis. 



10. Vibrio liquefaciens. 

 aa. Milk not coagulated. 



b. Growth on potato thin, barely visible. 



11. Vibrio strictus. 

 bb. Xo growth on potato. 



12. Vibrio aquatilis. 

 aaa. Action on milk not reported. 



b. Acid from glucose. Attacks naphthalene. 



13. Vibrio neocistes. 



bb. No acid from carbohydrates. Attacks naphthalene. 



14. Vibrio cuneatus. 



bbb. No acid from carbohydrates. Liquefies agar. 



15. Vibrio granii. 

 II. Gelatin not liquefied. 



A. Nitrites produced from nitrates. 



1. Acid and gas from glucose. 



16. Vibrio leonardii. 



2. Acid but not gas from glucose. Liquefies agar. 



17. Vibrio agarliquefaciens. 



B. Nitrites not produced from nitrates. 



1. Acid from glucose. 



IS. Vibrio cyclosiles. 



2. No acid from carbohydrates. 



19. Vibrio percolans. 



C. Nitrite production not reported. 



1. Requires the addition of ammonium sulfate for growth. Ammonium 



sulfate agar liquefied. 



20. Vibrio andoi. 



2. Do not require ammonium sulfate for growth. 



a. Indole not formed. 



b. Microaerophilic, becoming aerobic. 



21. Vibrio fetus. 

 bb. Aerobic, facultative. 



22. Vibrio pierantonii . 



1. Vibrio comma (Schroetcr) Wins- 479; Spirillum cholerae asiaticae Zopf, 

 low et al. (Kommabacillus, Koch, Die Spaltpilze, 3 Aufl., 1S85, 69; Paci/i/a 

 Berliner klin. Wochenschr., 21, 1884, c/ioieraeas/aiicae Trevisan, Atti d. Accad. 



