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Bacterium pneumoniæ. Friedländer.

Pneumonia Bacillus.)

(Friedländer's

I. Agar streak culture, four days at 22°.
II. Gelatin stab culture, ten days at 22o.
III. Agar stab culture, four days at 22°. Stab canal.
IV. Agar stab culture, four days at 22°. Surface growth.

V. Gelatin plate, three days at 22o. Natural size.

VI. Agar plate, two days at 22° X 60. The brown whetstone-shaped colony is deep.

VII. Gelatin plate, three days at 22o. X 50. Upper, superficial; lower, deep colony.

VIII. Agar plate, four days at 22o. Natural size. The delicate gray colonies are deep; also the smallest colonies. One colony in the reproduction has turned out yellowish.

IX. Microscopic preparation. Pure culture from an agar plate. X 800. Stained with fuchsin.

*X, Microscopic preparation. Smear preparation from sputum. X 800. Stained with fuchsin.

XI. Potato culture, six days.

Bacteriu į typhi. Eberth. Gaffky. (Typhoid Bacillus.)

I. sa jar stab culture, three days at 22°. Stab canal.

II. Agar stab culture, three days at 22o. Surface growth.

III. Gelatin stab culture, eight days at 22°. Stab canal.

IV. Gelatin stab culture, eight days at 22°. Surface growth.

V. Agar streak culture, four days at 22o. Compare also Plate 18, III.

VI. Gelatin streak culture, three days at 22o. Compare also Plate 18, 11.

VII. Gelatin plate, thirty-six hours at 22°. Deep colony. Compare also Plate 14, VIII; Pl. je 19, v.

VIII. Gelatin plate, thirty-six hours at 22°. Superficial colony. Compare also Plate 14, viII; Plate 19, II.

IX. Gelatin plate, four days at 22°. Superficial colony. Compare also Plate 19, IV, VII.

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