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 join him, collected about £5,000 from wealthy supporters, and after long negotiations persuaded the House of Commons to recommend George I. to grant him a contribution of £20,000 which never came. It was during that time that he learned of the medicinal efficacy of tar water from some of the Indian tribes whom he visited. Some time after his return he was made Bishop of Cloyne, and worked indefatigably in his diocese. A terrible winter in 1739-40 caused great distress and was followed by an epidemic of small-pox. It was then that the Bishop remembered his American experiences. He gave tar water as a remedy and tar water as a prophylactic, with the result, as he reported, that those who took the disease had it very mildly if they had taken tar water. Convinced of its value he gave it in other illnesses with such success that with characteristic enthusiasm he came to believe that he had discovered a panacea. Some reports of this treatment had been published in certain magazines, but in the spring of 1744 a little book by the Bishop appeared giving a full account of his experiences. It was entitled "A Chain of Philosophical Reflections and Enquiries concerning the virtues of Tar Water, and divers other subjects connected together and arising one from another." The treatise was eagerly read and discussed both in Ireland and England. A second edition was required in a few weeks, and to this the author gave the short title "Siris" (Greek for chain).

The Bishop's theory was an attractive one. The pine trees he argued, had accumulated from the sunlight and the air a large proportion of the vital element of the universe, and condensed it in the tar which they yielded. The vital element could