PLATE 48.

Vibrio cholera. (Koch.) Buchner. (Comma Bacillus.)

I. Agar plate, thirty-six hours at 22°. X 60. To

the left superficial, to the right deep colonies.

II. Agar plate, two days at 22°. X 60. To the left superficial, to the right deep colonies.

III. Agar plate, three days at 22°. X 60. To the left superficial, to the right deep colonies.

IV. Agar plate, three weeks at 22°. left superficial, to the right deep colonies. V. Agar plate, five days at 22°. culture of cholera asiatica from Hanover. deep colonies.

X 60. To the

60.

Colonies of a Superficial and

VI. Gelatin plate, four days at 22°. Natural size. Deeply sunken funnels of liquefaction.

VII. Gelatin plate, fourteen days at 22°. Natural size. Colony with a pronounced formation of zones.

VIII. Gelatin plate, four days at 22°. Shallow zones of liquefaction.

IX. Gelatin plate, six days at 22°. Superficial sinking in of colonies with concentric zones of liquefaction.