The direction in which my thoughts turned to discover who had written these letters, ' said the buccaneer, was the northern university which I had just left. The letters were mailed there, and it was my impression that they were written there. I therefore began to revolve in my mind any enemy I had there who would be likely to endeavor to do me an injury in this manner. But I could fix suspicion upon no one. Whoever he was, I was at least satisfied that he knew me intimately; was familiar with my style of writing as well as a perfect imitator of my penmanship; and that he knew when I wrote to my parents, and when they wrote to me; for he had evidently prevented my father's and my sister's letters from reaching me.