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Ciliate Protozoan Fauna of Soil and Inland Waters

Abstract

A YEAR‘S study of the bacteria in the current core of a chalk stream has shown that there is a natural water bacterial flora (Pseudomonas sp., Flavobacteria, Micrococci sp.), which was supplanted by a bacterial flora of soil types (Bs. mycoides, Bs. subtilis, Actino-myces sp., Bt. coli irregulars) after heavy rain, floods or prolonged periods of hot dry weather when presumably a continuous rain of earth crumbled into the stream.

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GRAY, E. Ciliate Protozoan Fauna of Soil and Inland Waters. Nature 161, 854–855 (1948). https://doi.org/10.1038/161854b0

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