PLATE 53. Vibrio danubicus Heider, Vibrio berolinensis Rubner, Vibrio aquatilis Günther. I. Vibrio danubicus: Gelatin stab culture, three days at 22°. 22°. II. Vibrio aquatilis: Gelatin stab culture, three days at III. Vibrio danubicus: Gelatin plate, three days at 22°. 60. To the right superficial, to the left deep colony. IV. Vibrio danubicus: Microscopic preparation. Pure culture on agar, twenty-four hours. Stained with fuchsin. X 800. V. Vibrio berolinensis: Gelatin plate, three days at 22°. 60. To the right superficial, to the left deep colony. VI. Vibrio berolinensis: Microscopic preparation. Pure culture from agar, twenty-four hours. × 800. Stained with fuchsin. VII. Vibrio aquatilis: Gelatin plate, three days at 22°. X 60. Deep colonies, swarming outward from one point forming secondary ones. VIII. Vibrio aquatilis: Microscopic preparation. Pure culture on agar, twenty-four hours at 22°. × 800. Stained with fuchsin. IX. Vibrio aquatilis: Gelatin plate, three days at 22°. 60. To the right superficial, to the left deep colony. Vibrio albensis. PLATE 54. Lehm. and Neum. (Phosphorescent I. Gelatin stab culture, twenty-four hours at 22°. III. Gelatin stab culture, ten days at 22°. IV. Indol reaction after ten days. Bouillon culture with dilute sulphuric acid, warmed. V. Gelatin plate, three days at 22°. X 60. Superficial colony. VI. Gelatin plate, three days at 22°. colonies. X 60. Deep VII. Gelatin plate, thirty-six hours at 22°. Natural size. VIII. Microscopic preparation. Pure culture from agar, forty-eight hours. Stained with fuchsin. |