"You are a fool!" said Miss Branwin, trying to conceal her agitation. "Even if you saw papa, that proves nothing. And you had better hold your tongue, or you will get into trouble." Mrs. Mellop ran to the door of the room, so as to avoid another shaking. "I shall get Sir Joseph into trouble," she said spitefully. "He shan't play fast and loose with poor little me. I shall go back home to-day." "Had you not better see papa?" asked Audrey, ironically, "and say what you intend to do?" "I know what I intend to do," retorted the widow, tossing her head, "and it won't be pleasant for Sir Joseph when he knows. You're a horrid girl, Audrey, and worthy of your common father, who is only the son of a labourer, when all is said and done. I decline to associate with such riff-raff, so good-day to both of you." And Mrs. Mellop, bursting with spite, swept out of the room in what she conceived was a grand way. Audrey shrugged her shoulders when the little woman disappeared, as she regarded the hinted accusation as merely due to spite; and without doubt it was, as Mrs. Mellop could not possibly prove Branwin's complicity in the crime. Sir Joseph certainly might have been in Walpole Lane, although Audrey did not think that this was probable. Yet, even if he had been, his presence, as the girl had already observed, proved absolutely nothing. When Mrs. Mellop took her departure, bag and baggage--which she did in the afternoon--Audrey wended her way to Kensington Gardens to keep the three o'clock appointment with Ralph Shawe; but although she waited for over an hour he did not make his appearance. This omission made Audrey confident that there was something wrong, as it was not like Ralph to evade a meeting. Lately she had noted his unwillingness to answer questions connected with the search for Lady Branwin's murderer; and now that he so pointedly avoided her company--for what could be more pointed than a failure to keep his engagement?--she decided to see Miss Toat and ask questions. The detective certainly knew all that Ralph knew, and in what Ralph refused to speak about might be found his reason for behaving so strangely. With this idea the girl left the Gardens and took a cab to Buckingham Street. For once Miss Perry was not in her office, but the grimy little boy--technically termed a clerk--told her that the detective would return in a few minutes. Meanwhile she was shown into the inner room to wait, and found there no less a person than Colonel Ilse. He rose politely when she entered, and looked at her so hard that Audrey blushed. "I also am waiting for Miss Toat, Miss Branwin," said the Colonel, offering a chair. "Will you not be seated? I understand she will not be long." "Thank you. How did you know my name, Colonel Ilse?" "I must answer like a Yankee by asking another question, Miss Branwin. How did you know mine?" "Miss Toat told me."