"But as to how the food is conveyed to her," exclaimed Miss Greysteel, "no one knows for certain. Signor Tosetti believes that her cats carry it up to her." "Such nonsense!" declared Dr Greysteel. "Whoever heard of cats doing anything useful!" "Except for staring at one in a supercilious manner," said Strange. "That has a sort of moral usefulness, I suppose, in making one feel uncomfortable and encouraging sober reflection upon one's imperfections."