. Atlas and principles of bacteriology and text-book of special bacteriologic diagnosis. Bacteriology. CBENOTHBIX POLYSPORA. 463 contamination of water, but not specific (perhaps from sulphite wood-pulp factories or the like). According to Winogradsky, ZopI has improperly included in this variety a large number of other rose-colored inhabitants of water. Jegunow (C. B. ii, 279) has reported many interesting observations regarding another sulphur bacterium, whose classification is still undetermined, but it most likely belongs to the spirilla. Crenothrix polyspora. Ferd. Cohn. (Cohn's Beitrage,
. Atlas and principles of bacteriology and text-book of special bacteriologic diagnosis. Bacteriology. CBENOTHBIX POLYSPORA. 463 contamination of water, but not specific (perhaps from sulphite wood-pulp factories or the like). According to Winogradsky, ZopI has improperly included in this variety a large number of other rose-colored inhabitants of water. Jegunow (C. B. ii, 279) has reported many interesting observations regarding another sulphur bacterium, whose classification is still undetermined, but it most likely belongs to the spirilla. Crenothrix polyspora. Ferd. Cohn. (Cohn's Beitrage, Bd. I, H. II, 130.) Long, rigid, unbranched threads, consisting of a single row of low cells, unpigmented, included by a membrane which is very thin at the younger parts of the thread and thick at the older parts. The membrane is a product of the cuticle of the cell. In the membrane is deposited. Fig. 26.—Crenothrix polyspora. Cohn. some iron hydroxid or carbonate, which stains it brown. Sometimes also the membranes for considerable lengths are surrounded by a yellow, ferruginous mass with a luster like oil, so that macroscopic, brownish flakes appear. The thickness of the threads varies from to /i, it often being easily recognized that the older part of the. 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 Lehmann, K. B. (Karl Bernhard), 1858-1940; Neumann, Rudolf Otto, 1868- joint author; Weaver, George H. (George Howitt), b. 1866 ed. Philadelphia and London, W. B. Saunders & Company
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