prettier village or entered upon any enterprise with a lighter or more hopeful heart. Intent on my task, I went straight to the post-office, and after coming to an understanding with the postmaster, proceeded at once to look over the mail addressed to the mysterious X. Y. Z. I found it to consist entirely of letters. They were about a dozen in number, and were, with one exception, similar in general appearance and manner of direction, though inscribed in[3] widely different handwritings, and posted from various New England towns. The exception to which I allude had these few extra words written in the lower left-hand corner of the envelope: "To be kept till called for." As I bundled up the letters preparatory to thrusting them back into the box, I noticed that the latter was the only one in a blue envelope, all the others being in the various shades of cream-color and buff. [3] "Who is in the habit of calling for these letters?" I asked of the postmaster. "Well," said he, "I don't know his name. The fact is nobody knows him around here. He usually drives up in a buggy about nightfall, calls for letters addressed to X. Y. Z., and having got them, whips up his horse and is off again before one can say a word." "Describe him," said I. "Well, he is very lean and very lank. In appearance he is both green and awkward. His complexion is pale, almost sickly. Were it not for his eye, which is keen and twinkling, I should call him an extremely inoffensive-looking person."[4] [4] The type was not new to me. "I should like to see him," said I. "You will have to wait till nightfall, then," returned the postmaster. "He never comes till about dusk. Drop in here, say at seven o'clock, and I will see that you have the opportunity of handing him his mail." I nodded acquiescence to this and sauntered out of the enclosure devoted to the uses of the post-office. As I did so I ran against a young man who was hurriedly approaching from the other end of the store. "Your pardon," he cried; and I turned to look at him, so gentlemanly was his tone, and so easy the bow with which he accompanied this simple apology.