272 FOR THE FLAG known, the existence of Count d’Artigas’ destroyer must be known.” He glanced at me suspiciously. ‘‘ Mr. Simon Hart,” he said, “‘ you appear to me to push your deductions rather far.” “7, M. Serko ?” “Ves. And it seems to me that you speak of all this like a man who knows more than he ought to know.” That speech cut me short. It is evident that my argu- ments are liable to give rise to the idea that I may have a share in the late events. Serko’s eyes were fixed angrily onme; they pierced my cranium, they searched my brain. Sull, I did not lose my presence of mind, and I answered in a quiet tone,— ““M. Serké, by profession and by inclination, I am in the habit of reasoning about everything. That is why I have given you the result of my inferences, which you may or may not take into consideration as it suits you.” Thereupon we separated. But, for want of caution, I have perhaps raised suspicions which it will not be easy to overcome. On reviewing over this interview, I found I had acquired one picce of information: the danger-zone is fixed between four and five miles. Perhaps at the second equinoctial tide—a second floating message might be sent. But there will be months to wait until the orifice is revealed at low water; and then there is the chance that the second revelation might not reach its destination like the first,