Another plant which, on the same principle, was reckoned as a curative for heart-disease, is the heart's-ease, a term meaning a cordial, as in Sir Walter Scott's "Antiquary" (chap, xi.), "try a dram to be eilding and claise, and a supper and heart's-ease into the bargain."

Similar remedies we find recommended on the Continent, and in Westphalia an apple mixed with saffron is a popular curative against jaundice.

" Within about a decade of the close of the century, Robert Koch, whose discoveries and ingenious studies in bacteriology had brought him world-wide renown, announced that he had produced a derivative of the tubercle bacillus, which he termed tuberculin, that he thought might prove curative of tuberculous disease.

Cases of pulmonary disease, asthma, and neuralgia are of frequent occurrence, and cold is considered as curative to them as heat is to us.