In early inquiries a great point was made of the prevention of putrefaction, and work was done in the way of finding how much of an agent must be added to a given solution, in order that the bacteria accidentally present might not develop. But for various reasons this was an inexact method, and to-day an antiseptic is judged by its effects on pure cultures of definite pathogenic microbes, and on their vegetative and spore forms. Their standardization has been effected in many instances, and a water solution of carbolic acid of a certain fixed 'strength is now taken as the standard with which other antiseptics are compared. [Please select]
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Issutschenko, of Russia, of a microbe pathogenic to rats. [Please select]
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According to clinical observation to the present time, _Bacillus necrophorus_ is pathogenic for cattle, horses, hogs, sheep, reindeer, kangaroos, antelope, and rabbits. [Please select]
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Experimentally it has been proved pathogenic for rabbits and white mice. [Please select]
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The press, for the sake of gain, has soiled and soured the milk of human kindness by exposing it, carelessly and unceasingly, to the pathogenic dangers of the dust of the street and the gutter. [Please select]
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Far from decreasing in virulence, however, as might be expected from its morphological appearance, this bacillus had so increased in its pathogenic activity that it produced generalized tuberculosis in a cow. [Please select]
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