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ORDER I. PSEUDOMONADALES
- ee. Milk coagulated.
3. Vibrio metschnikovii.
- dd. Nitrites not produced from nitrates.
4. Vibrio proteus.
- cc. Indole not produced.
- d. Found in the human buccal cavity.
5. Vibrio sputigenus.
- dd. Cause of abscesses in the African toad.
6. Vibrio xenopus.
- bb. Does not liquefy gelatin.
7. Vibrio leonardii.
- aa. Require sea-water or heavy brine media for growth on fresh isolation.
- b. Isolated from sea water.
- c. A diffusible dark brown pigment is usually produced in gelatin media.
8. Vibrio marinopraesens.
- cc. A buff-colored pigment is produced on sea-water agar. No diffusible pigment produced.
9. Vibrio phytoplanktis.
- bb. Found growing in brines.
- c. Acid from glucose.
10. Vibrio costicolus.
- cc. No acid from glucose.
11. Vibrio halonitrificans.
- 2. Luminescent, digest agar, attack benzene ring compounds or oxidize oxalates.
- a. Produce luminescence especially on neutral media containing sea water or the equivalent salt content.
- b. Gelatin liquefied.
- c. Require alkaline sea water or equivalent media for growth,
- d. Optimum growth temperature, between 25° and 28° C.
12. Vibrio luminosus.
- dd. Optimum growth temperature, between 30° and 32° C.
13. Vibrio indicus.
- cc. Found in fresh water and in intestinal contents.
14. Vibrio albensis.
- bb. Does not liquefy gelatin.
15. Vibrio pierantonii.
- aa. Not as above.
- b. Digest agar either actively or at least soften it.
- c. Found in soil and in rotting organic matter.
- d. Decomposes both cellulose and agar.
16. Vibrio agarliquefaciens.
- dd. Liquefies agar only.
17. Vibrio andoii.
- cc. Found in sea water with rotting algae.
- d. Nitrites produced from nitrates.
- e. Colonies on agar are white to gray.
18. Vibrio beijerinckii.
- ee. Colonies on agar are pale yellow becoming bright yellow then pale brown.
19. Vibrio fuscus.
