Now Fanny fully believed that Lem had done all this; but she did not _know_ that he had, for she had not seen him. Wicked boy though she knew him to be, she would not have willingly accused him of that of which he was not guilty; but she had spoken as if she knew it to be so, and the two gentlemen, thinking there was no time to lose if the cup was to be recovered, had at once set out after the supposed thief.