At last one of the nobles of the court, a sagacious and observing man, suspected the imposture. He had no access to Smerdis himself, but his daughter, whose name was Phaedyma, was one of Smerdis's wives. The nobleman was excluded from all direct intercourse with Smerdis, and even with his daughter; but he contrived to send word to his daughter, inquiring whether her husband was the true Smerdis or not. She replied that she did not know, inasmuch as she had never seen any other Smerdis, if, indeed, there had been another. The nobleman then attempted to communicate with Atossa, but he found it impossible to do so. Atossa had, of course, known her brother well, and was on that very account very closely secluded by the magian. As a last resort, the nobleman sent to his daughter a request that she would watch for an opportunity to feel for her husband's ears while he was asleep. He admitted that this would be a dangerous attempt, but his daughter, he said, ought to be willing to make it, since, if her pretended husband were really an impostor, she ought to take even a stronger interest than others in his detection. Phaedyma was at first afraid to undertake so dangerous a commission; but she at length ventured to do so, and, by passing her hand under his turban one night, while he was sleeping on his couch, she found that the ears were gone.[B] [Footnote B: For a more particular account of the transaction, and for an engraving illustrating this scene, see the history of Darius.] The consequence of this discovery was, that a conspiracy was formed to dethrone and destroy the usurper. The plot was successful. Smerdis was killed; his imprisoned queens were set free, and Darius was raised to the throne in his stead. Atossa now, by that strange principle of succession which has been already alluded to, became the wife of Darius, and she figures frequently and conspicuously in history during his long and splendid reign. Her name is brought into notice in one case in a remarkable manner, in connection with an expedition which Darius sent on an exploring tour into Greece and Italy. She was herself the means, in fact, of sending the expedition. She was sick; and after suffering secretly and in silence as long as possible--the nature of her complaint being such as to make her unwilling to speak of it to others--she at length determined to consult a Greek physician who had been brought to Persia as a captive, and had acquired great celebrity at Susa by his medical science and skill. The physician said that he would undertake her case on condition that she would promise to grant him a certain request that he would make. She wished to know what it was beforehand, but the physician would not tell her. He said, however, that it was nothing that it would be in any way derogatory to her honor to grant him.