And presently came by this messenger disquieting rumors indeed. Another letter, being the third in six months, had reached the Dovecot, addressed, not to Miss Ailie, but to Miss Kitty. Miss Kitty had been dead fully six years, and Archie Piatt, the post, swore that this was the eighteenth, if not the nineteenth, letter he had delivered to her name since that time. They were all in the same hand, a man's, and there had been similar letters while she was alive, but of these he kept no record. Miss Ailie always took these letters with a trembling hand, and then locked herself in her bedroom, leaving the key in such a position in its hole that you might just as well go straight back to the kitchen. Within a few hours of the arrival of these ghostly letters, tongues were wagging about them, but to the two or three persons who (after passing a sleepless night) bluntly asked Miss Ailie from whom they came, she only replied by pursing her lips. Nothing could be learned at the post-office save that Miss Ailie never posted any letters there, except to two Misses and a Mrs., all resident in Redlintie. The mysterious letters came from Australy or Manchester, or some such part. What could Stroke make of this? He expressed no opinion, but oh, his face was grim. Orders were immediately given to double the sentinels. A barrel was placed in the Queen's Bower. Sawdust was introduced at immense risk into the Lair. A paper containing this writing, "248xho317 Oxh4591AWS314dd5," was passed round and then solemnly burned. Nothing was left to chance. Agnes of Kingoldrum (Stroke told her) did not know Miss Ailie, but she was commanded to pay special attention to the gossip of the town regarding this new move of the enemy. By next Saturday the plot had thickened. Previous letters might have reddened Miss Ailie's eyes for an hour or two, but they gladdened her as a whole. Now she sat crying all evening with this one on her lap; she gave up her daily walk to the Berlin wool shop, with all its romantic possibilities; at the clatter of the tea-things she would start apprehensively; she had let a red shawl lie for two days in the blue-and-white room. Stroke never blanched. He called his faithful remnant around him, and told them the story of Bell the Cat, with its application in the records of his race. Did they take his meaning? This Miss Ailie must be watched closely. In short, once more, in Scottish history, someone must bell the cat. Who would volunteer? Corp of Corp and Sir Joseph stepped forward as one man. "Thou couldst not look like Gavinia," the prince said, shaking his head. "Wha wants him to look like Gavinia?" cried an indignant voice. "Peace, Agnes!" said Stroke. "Agnes, why bletherest thou?" said Sir Joseph. "If onybody's to watch Miss Ailie," insisted the obstinate woman, "surely it should be me!"