his prime illusion. She had thrown him over in India in favour of an American, a very wealthy man called Johnson, whose company she found increasingly unpleasant on their arrival in the States and, after the declaration of war, quite intolerable. It was when Maturin reached Boston as a prisoner of war that they came together again and that he found that although he still admired her spirit and beauty, it was as though his heart were numb. What changes in her or in himself had brought this about he could not tell for sure; but he did know that unless his heart could feel again the mainspring of his life was gone. However, they had escaped together, reaching the Shannon in a boat; and they were engaged to be married, an engagement that Stephen felt to be her due, if only as a means of recovering her nationality, and one that to his astonishment she seemed to welcome, although up until this time he had thought her the most intuitively perceptive woman of his acquaintance. Indeed, but for the battle they would already have been man and wife by the law of England if not by that of the Catholic church (for Maturin was a Papist), since Philip Broke had been about to exercise his powers as a captain and marry them at sea, and Diana would have been a British subject once more, instead of a paper American.
Yet in spite of these currents of feeling beneath the surface they talked very cheerfully and calmly all the way to the landing-place and up to the Admiral's house, where they parted like old friends, Jack to report to the Commissioner and then to see about his post and their lodgings, and Stephen to an unnamed destination with a sailcloth parcel under his arm, his only baggage, while Diana remained with the short-legged, good-natured Lady Harriet Colpoys.
Stephen did not name his destination, but if they had reflected neither of his companions would have had much difficulty in guessing it. In the course of their long service together it had necessarily come to Captain Aubrey's knowledge that although Dr Maturin was certainly an eminent medical man who chose to sail as a ship's surgeon for the opportunities of making discoveries in natural philosophy (his chief passion, second only to the overthrow of Buonaparte), he was also one of the Admiralty's most prized intelligence agents; while immediately before their escape Diana had seen him remove the papers that his parcel contained from the rooms that she and Mr Johnson occupied in Boston, explaining his action by the statement that they would interest an intelligence officer he happened to know in Halifax.
Stephen was perfectly aware of this, but the long-established habit, the second nature of extreme discretion to which he owed his continuing existence made him non-committal in all circumstances; it also caused him to take a roundabout way to the office of his correspondent, looking in shop windows and taking full advantage of those that showed the street behind him. It was an automatic precaution, but here it was an unusually necessary one, for as he knew better than any man in Halifax there were several American agents in the town; and Johnson's fury at being robbed of both his mistress and his papers would urge him to make extraordinary efforts in the way of revenge.
However, he reached the office unfollowed, with an easy mind, and sent in his name. Major Beck, the Marine in charge of intelligence on the North American station, received him at once. They had not met before and Beck looked at him with lively curiosity: Dr Maturin had a great reputation in the department as one of the few wholly voluntary agents who 'were also wholly effective, wholly professional; and although Maturin's mixed Irish-Catalan parentage meant that he was primarily an expert on Catalan affairs, Beck knew that the Doctor had recently accomplished the feat of decimating the ranks of the French service by means of false, compromising information conveyed to Paris in all good faith by the Americans.