The logs that had burned so brightly before the chimney choked still held their flames stubbornly, and I had advised against pouring water upon them, fearing to crack the brick and stonework. We were about to adjourn to the drawing-room; Miss Hollister and the others had in fact reached the door, leaving me alone before the hearth. Then, as I stood half-blinded watching the smoke pour out into the room, and more puzzled than I had ever been before in any of my employments, the chimney, with a deep intake of breath, began drawing the smoke upward again; the flames caught and spread with renewed ardor; and when the trio still loitering in the hall returned in answer to my exclamation of surprise, the flue had recovered its composure and was behaving in a sane and normal manner. There is, I imagine, nothing pertaining to the life of man (unless it be rival climates, motor-cars or pianos) that so inspires incompetent, irrelevant and immaterial criticism as wayward fireplaces. It is part of my business to listen respectfully to opinions, to receive with an appearance of credulity the theories of others; and those advanced in Miss Hollister's library were not below the average to which I was accustomed. "A swallow undoubtedly fell into the chimney-pot and then got itself out again," suggested Cecilia. "The logs must have been wet. The sap had n't dried out yet," proposed Wiggins. "The wood was as dry as tinder," averred Miss Hollister, not without irritation. "And one swallow does not make a summer or a chimney smoke. It must have been a changing current of air. I was reading a book on ballooning the other day, and it is remarkable how the air currents change." "That is quite possible, as the air cools rapidly after sunset at this season, and that is bound to have an effect on the quality and resistance of the atmosphere," I replied sagely. "Perhaps," suggested Miss Hollister, with one of those flashes of animation that were so delightful in her, "perhaps it was a ghost! Will you tell us, Mr. Ames, whether in your experience you have ever known a chimney ghost?" As I had no opinion of my own as to what had caused the chimney's brief aberration, I was glad to follow Miss Hollister's lead.