Disinfectant Treatment of Cholera

or uncombined, is beneficial in cholera. In the case under notice the black oxide of manganese was not used, therefore the gas obtained, I should have mentioned, was hydrochloric acid and not chlorine. Had black oxide of manganese been available at the time, it would have been employed, for the element in an uncombined form would be more potent than in a combined form. The carbonate of soda was added with a view to neutralise