An Introduction to the Bacteriological Examination of Water
The book An Introduction to the Bacteriological Examination of Water was written by author Horrocks, William Heaton, Sir, 1859- Here you can read free online of An Introduction to the Bacteriological Examination of Water book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is An Introduction to the Bacteriological Examination of Water a good or bad book?
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coli showed that the serum always acted in the highest diUition on the variety used to inoculate the animal. Very often the serum had no action on other varieties ; but when it did act the dilution was much lower than that which agglutinated the bacillus used for the preparation of the serum. He also showed that ,in the stools of the same person several varieties of B. coli might appear. Lee Smith showed that all the B. coli cultures isolated from the stools of a child " at the breast " were ag...glutinated by a serum made with any one of the cultures. The same serum, however, failed to agglutinate cultures of B. coli, isolated from the stools of other children fed under the same con- ditions. The action of anti-typhoid serum on B. coli will be fully considered when the value of the agglutination test for the diagnosis of the B. typhosus is discussed. Here it will be sufficient to state that though many varieties of B. coli are quite uninfluenced by anti-typhoid serum, still races do occur which are agglutinated by anti-typhoid serum in low dilutions.
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