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Bacterium prodigiosum (Ehrenb.). Lehm. and Neum.
I. Gelatin stab culture, one day at 22o.
V. Agar plate, from two to four days at 22o. Natural size. Colonies with and without color.
VI. Agar plate, eight days at 22o. X 60. Superficial colony reddish, deep one yellowish.
VII. Gelatin plate, two days at 22o. X 60. Superficial colony just beginning to sink in. VIII. Gelatin plate, two days at 22°. Natural size.
IX. Potato culture, eight days at 22°. Typical with metallic luster on the surface.
X. Potato culture, eight days at 22o. Atypical white growth.
XI. Microscopic preparation. Pure culture from agar. x 800. Stained with fuchsin.
XII. Bacteria with several flagella. X 1000. Stained according to Löffler.