[Henry Jones].  THE SOCRATIC theory of the “daimon” which controls men is well illustrated in the case of Henry Jones. Rightly understood the Socratic “demon” is what a man really knows in opposition to everything else in him. After Jones had carefully educated himself at King’s College School and St. Bartholomew’s Hospital as a surgeon, a man of his intellectual rank had a right to expect usefulness and eminence in his profession; but when he began writing occasional, furtive essays on Whist under the pseudonym of “Cavendish,” it soon developed that he was not to be allowed to choose his career. Perhaps he might have become the highest living authority on surgery, but as he was already the highest living authority on cards he was forced out of surgery into the editorship of the card and amusement columns of such periodicals as the London Field and the Queen. He was born at London, November 2d, 1831. From 1852 to 1869 he was a practicing surgeon, but, owing to the celebrity given him by his book on Whist published in 1862, he was obliged to give up either whist or surgery, and he gave up surgery. He published books on billiards and other games, but his reputation rests securely on his “Card Essays” and on “Cavendish on Whist.” He died in 1899.