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THE BACTERIAL EXAMINATIONS OF 104 SAMPLES OF WATER. TOGETHER WITH A STUDY OF THE COLON BACILLUS.

Issue 22 and Volume 34.

THE BACTERIAL EXAMINATIONS OF 104 SAMPLES OF WATER. TOGETHER WITH A STUDY OF THE COLON BACILLUS. Dr. Wm. G. Bissell, of Buffalo, N. Y., recently read a paper on “The bacterial examination of 104 samples of water, together with a detailed study of the colon bacillus.” In connection therewith he said that, after consulting with many laboratory workers it had been decided to inaugurate an investigation along the following lines: First Division. —To ascertain what constituted a colon bacillus A recapitulation of the results demonstrated that the amount of gas produced, the production of indol. and putrefactive odors were not constant factors with even true coli; that many of the lactic acid organisms are a close resemblance to colon bacilli; and that it was not safe to depend upon presumptive tests alone in determining the oresenee of colon bacilli in the water. Second Division.—The amount of water advisable to test…

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