five o'clock
She said Mr. McDonald had seen her head and thought it was some sort of swimming animal , and had shot at her . Mr. McDonald said afterward he knew her all the time , and was uncertain whether she was taking a cure for something or was trying to commit suicide . He said he spent a wretched morning . At five o'clock that evening we began to hear a curious tapping noise from the spy 's island . It would last for a time , stop , and go on . Hutchins said it was woodpeckers ; but Tish looked at me significantly . `` Wireless ! ''