He knew that Miss Fenshawe had noticed the alias, and took it as a kindly act that she passed no remark on it. He was equally well aware that Mrs. Haxton was alive to the fact that there were letters for him. Stump, who made his appearance at the moment, added a whiff of awkwardness when he saw the envelopes in Dick's hands.

"Hello!" he growled, "you've bin pretty spry. Letters, eh? How did you work it?"

"I am not able to tell you," was the frank answer. "Evidently some one in London discovered the yacht's route long before I knew it myself."

"That's funny," said Stump, with a hint of doubt in the exclamation.

"It is probably a simple enough matter if it were cleared up," said Irene off-handedly. "The Aphrodite's ports of call are quite open to the knowledge of any person who takes the trouble to inquire at Mr. Fenshawe's residence. Mr. Royson will find, no doubt, that his friends followed that course when he failed to let them know whither the vessel was bound. But it is too hot to stand here in the sun. Let us go to the hotel and look through our budget in comfort."

When opportunity served, Dick glanced at his unexpected mail. The two letters for "Royson" were from Forbes. They bore different dates. The first stated that Sir Henry Royson was seriously ill, and had given urgent instructions that his nephew was to be brought to his bedside. "I have reason to believe," wrote the lawyer, "that your uncle has sustained some shock, perhaps arising from the sudden receipt of intelligence hitherto withheld from him, and I would fail in my duty if I did not urge you to cast aside all other considerations and return to England at once."

The second letter was even more explicit. "The person from whom I have received information of your whereabouts," said Mr. Forbes, "has called on me to-day, and the facts he has laid before me demand your earnest consideration. He is assured that the treasure-hunting expedition you have joined is a compound of piracy and rascality, in which Mr. Fenshawe is a dupe, having been misled by a man who has incurred the gravest suspicion of felony. The Italian Government is taking steps to procure this person's arrest, and, whether or not the charges brought against him be substantiated, it is an assured thing that the movements of the Aphrodite will be watched, with a view towards the armed prevention of any landing from her in Italian territory. You must know that I have the strongest grounds for this statement, or I would not dare place my opinion in writing. If you think it will serve any useful purpose, I authorize you to show this letter to Mr. Fenshawe, only stipulating that I am giving him a friendly warning (which will soon be verified by events) and that my name must not be used in any investigation he may choose to make. It may help you to arrive at a right decision if I tell you that I have traced you with the help of Lieutenant the Hon. John S. Paton, of the Coldstream Guards, who saw an advertisement I inserted in the Times, and gave me the date of a carriage accident in Buckingham Palace Road, in which you seem to have displayed the courage and resource that might be looked for in one of your family. Inquiry showed that the carriage was Mr. Fenshawe's, and one of my clerks, after visiting Mr. Fenshawe's house, was accosted by a man who was able to prove that he had accurate knowledge of your movements. I am told that he is writing Mr. Fenshawe fully by this mail, so, in any event, I feel confident of your early departure from Massowah, believing, as I do, that Mr. Fenshawe will not continue to lend his name to an undertaking of bad repute."

The third letter, that addressed to "King," was from a Mr. William Fielding, "Confidential Inquiry Agent," who revealed himself as Mr. Forbes's informant. He wrote in similar strain to the solicitor, and added: "I have directed the envelope to you in the name under which you shipped on board the Aphrodite, though I am aware that a telegram sent to you at Marseilles in your proper name reached you. If you will kindly seek a private interview with Mr. Fenshawe, and tell him how a man named Alfieri, with others, attacked Baron von Kerber at Marseilles, and robbed and wounded him without any subsequent protest on his part, you will help in undoing a great wrong."

Royson was sitting in the balcony veranda on the first floor of the Hôtel Grande del Universo when his astonished eyes skimmed rapidly through these letters. Scarce crediting his senses, he read them again, word by word, striving to extract from their cryptic sentences that hidden meaning which lay beneath. Outspoken as the solicitor was, he had evidently left unsaid the major portion of the strange story within his ken. The new correspondent, too, might or might not be the man whom Dick had seen in Hyde Park and at Charing Cross Station. But the same curious guardedness was apparent in each missive. The lawyer dealt in generalities; the private detective merely asked for the corroboration of a single detail in the statement which, doubtless, awaited Mr. Fenshawe's perusal among the letters now piled on a table by the side of Miss Fenshawe's chair.

At the thought, Dick turned and looked at Irene. She was smiling at some quip or bit of lively news in a closely-written sheet. Near her, Mrs. Haxton was engaged more deeply. The letter clasped in her long slender fingers was as obviously a business document as Irene's was the crossed and interlined product of a feminine pen overflowing with gossip. Stump was leaning on the railing of the veranda, contemptuously heedless of the efforts of half a dozen vendors of carpets, ostrich feathers, fruit, sweets, and Abyssinian curios, who had gathered in the street beneath and were endeavoring vociferously to secure his patronage for their wares. So Dick had leisure to think out a line of action, and he saw no reason to dispute the soundness of the advice given him by Mr. Forbes. If the owner of the Aphrodite were unknowingly lending himself to an illegal quest, it was the duty of an honest man to warn him. The agreement with von Kerber stood in the way perhaps. In that case, it must be terminated. Such a resolve was rather bitter to the taste, but it was unavoidable. To travel home by the next mail steamer from Aden would be a tame ending to an adventure that promised so well in its initial stages. And what of his vow not to desert the girl who had placed her faith in him? Well, he would best serve her by opening Mr. Fenshawe's eyes to the character of his associates, for Dick had no manner of doubt that Mrs. Haxton was the leading spirit in the plot of which the millionaire was the "dupe," according to the lawyer.