“ If monsieur will turn on to the end,” he said. So monsieur turned on, meeting new treasures at every rise of a leaf; and at the end of the book he came upon two sheets of paper, of much more recent date than anything he had yet seen, which puzzled him considerably. They must be contemporary, he decided, with the unprincipled Canon Alberic, who had doubtless plundered the Chapter library of St Bertrand to form this priceless scrap-book. On the first of the paper sheets was a plan, carefully drawn and instantly recognizable by a person who knew the ground, of the south aisle and cloisters of St Bertrand’s. There were curious signs looking like planetary symbols, and a few Hebrew words in the corners; and in the north-west angle of the cloister was a cross drawn in gold paint. Below the

