Bacterium pneumoniæ. Friedländer. (Friedländer's Stab canal. Surface growth. Natural size. I. Agar streak culture, four days at 22°. II. Gelatin stab culture, ten days at 22°. III. Agar stab culture, four days at 22°. IV. Agar stab culture, four days at 22°. V. Gelatin plate, three days at 22°. VI. Agar plate, two days at 22°. X 60. The brown whetstone-shaped colony is deep. VII. Gelatin plate, three days at 22°. X 50. Upper, superficial; lower, deep colony. VIII. Agar plate, four days at 22°. 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. × 800. Stained with fuchsin. X, Microscopic preparation. Smear preparation from sputum. 800. Stained with fuchsin. X XI. Potato culture, six days. PLATE 16. Bacteriu typhi. Eberth. Gaffky. (Typhoid Bacillus.) I. jar stab culture, three days at 22°. Stab canal. growth. Surface 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 22°. Compare also Plate 18, III. VI. Gelatin streak culture, three days at 22°. Compare also Plate 18, II. VII. Gelatin plate, thirty-six hours at 22°. Deep colony. Compare also Plate 14, vIII; Pl. e 19, v. VIII. Gelatin plate, thirty-six hours at 22°. Superficial colony. Compare also Plate 14, VIII; Plate 19, ш. IX. Gelatin plate, four days at 22°. Superficial colony. |