Streptococcus salivarius

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Abstract
A study was made of 322 cultures of non-hemolytic streptococci isolated from human throats. The isolations were made by the application of quantitative methods so as to limit the collection to the predominating types. Strep. salivarius was found to be the prevailing type and 290 of the cultures studied are believed to be typical of the spp. A full descr. of the organism is given. The remaining 32 cultures varied somewhat from the type but scarcely enough to be considered separate spp. in the light of present knowledge of the streptococci. Strep. salivarius, as herein described, may be readily differentiated from any of the clearly established species of the streptococci.