I smiled for what I had to fear? I bade the gentlemen welcome. The shriek, I said, my own in a dream. The old man, I mentioned, was absent in the country. I took my visitors all over the house. I bade them search search well. I led them, in length, to his chamber. I showed them his treasure, secure, undisturbed.in the enthusiasm of my confidence. I brought chairs into the room and desired them here to rest the fatigues, while I myself, in the wild audacity of the perfect triumph, placed my own seat upon the the very spot beneath which reposed the corpse of the victim. What is the tone?Explain.