When James Cromwell alluded to the possibility of his receiving a legacy of ten thousand dollars at no distant date, it will be understood at once that he alluded to the sum promised him by Paul Morton in the event of the death of his ward. He had endeavored to compass Robert\'s death at Niagara Falls, but since his failure there, he had let the matter drop, partly from a timid fear of consequences, partly from the thought t............