Vibrio danubicus Heider, Vibrio berolinensis Rubner, Vibrio aquatilis Günther. I. Vibrio danubicus: Gelatin stab culture, three days at 22°. II. Vibrio aquatilis: Gelatin stab culture, three days at 22°. 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 22o. × 60. To the right superficial, to the left deep colony. VI. Vibrio berolinensis: Microscopic preparation. Pure culture from agar, twenty-four hours. X 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. PLATE 54. Vibrio albensis. Lehm. and Neum. (Phosphorescent Elbe Vibrio.) I. Gelatin stab culture, twenty-four hours at 22°. V. Gelatin plate, three days at 22°. ficial colony. Bouillon culture × 60. Super VI. Gelatin plate, three days at 22°. X 60. Deep colonies. VII. Gelatin plate, thirty-six hours at 22°. Natural size. VIII. Microscopic preparation. Pure culture from agar, |