. A manual of bacteriology. Bacteriology. PATHOGENIC BACTERIA. 403 those of the spirillum of cholera, and the margin is almost absolutely smooth and circular. As the colonies become older they assume a more irregular and lobulated appearance, but are still more finely granular than the colonies of the cholera spirillum. Gelatin is very slowly hquefied. Its growth on the other culture-media is not remarkable. It forms indol in pep- tone solution, and it increases in the upper layers of the ^ u Fig. 105.—Spirillum of relapsing fever in the blood. Sketched from a stained specimen. When gu


. A manual of bacteriology. Bacteriology. PATHOGENIC BACTERIA. 403 those of the spirillum of cholera, and the margin is almost absolutely smooth and circular. As the colonies become older they assume a more irregular and lobulated appearance, but are still more finely granular than the colonies of the cholera spirillum. Gelatin is very slowly hquefied. Its growth on the other culture-media is not remarkable. It forms indol in pep- tone solution, and it increases in the upper layers of the ^ u Fig. 105.—Spirillum of relapsing fever in the blood. Sketched from a stained specimen. When guinea-pigs are inoculated in the peritoneal cavity, death occurs in one to two days. This organism was discovered in the water-supply of Berlin. Other spirilla have been isolated rom water by Giinther (Vibrio aquatilis in Spree water); by Dunbar from the Elbe River; by Russell from the Gulf of Naples; by Heider from the water of the Danube Canal; and in America, by Abbott, from the water of the Schuylkill (Vibrio Schuylkiliensis); and many others have been described to which the limits of this work will not permit of further Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Williams, Herbert Upham, 1866-; Bolton, Benjamin Meade, 1857-1929. Philadelphia, P. Blakiston's Son & Co.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbacteri, bookyear1908