. Bacteria and their products. Bacteriology. THE HISTORY OF BACTERIOLOGY. 6i lus xanthogenus, as giving rise during their growth in milk to characteristic blue and orange colorations. He described the exciting cause as small chain-like organisms, and considered that they were the cause of both the colour formation and the acid fermentive changes. As early as 1819 we iind the first description of bleeding bread, the organismal cause of which, Ehrenberg, in later years, was able to cultivate on. Photo-micrograph of Bacillus Prodigiosns. x looo.—Organism forms heautiful red colour of bleeding bre
. Bacteria and their products. Bacteriology. THE HISTORY OF BACTERIOLOGY. 6i lus xanthogenus, as giving rise during their growth in milk to characteristic blue and orange colorations. He described the exciting cause as small chain-like organisms, and considered that they were the cause of both the colour formation and the acid fermentive changes. As early as 1819 we iind the first description of bleeding bread, the organismal cause of which, Ehrenberg, in later years, was able to cultivate on. Photo-micrograph of Bacillus Prodigiosns. x looo.—Organism forms heautiful red colour of bleeding bread, bloody sweat, &c. various food media, boiled potatoes, Swiss cheese, and white bread. He describes the organisms of which the coloured mass was made up as being exceedingly minute, and as having a characteristic movement quite distinct from the so-called Brownian or molecular movement. Some idea of the size of these orgatiisms may be obtained from Ehren- berg's calculation that a cubic inch would contain from 46,656,000,000,000 to 884,736,000,000,000 plants ; this organism he called Monas 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 Woodhead, German Sims, Sir, 1855-1921. London [etc. ] The W. Scott Publishing Co. , Ltd
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