Meet, either of which will lead him home. Unable to make up his mind between them; he spins a halfpenny, and turns down thé one indicated by the coin's fall. Had he taken the other, he would have reached his house in safety with an excellent appetite for dinner, led a prosperous and happy life, and died eventually at eighty. As chance decides, however, he chooses a different route, meets a mad dog, gets badly bitten, and after weeks of mental anguish dies the ghastliest and most hideous death we know of. What law, asks our empiricist, deter mined whether that fateful halfpenny should come down head or tail.