The removal of the slab revealed a black aperture, from which rushed an effluence of miasma! gases so nauseous that we started back in horror. After an interval, however, we approached the pit again, and found the exhalations less unbearable. Our lanterns disclosed the top of a flight of stone steps, dripping with some detestable ichor of the inner earth, and bordered by moist walls encrusted with niter. And now for the first time my memory records verbal discourse, Warren addressing me at length in his mellow tenor voice; a voice singularly unperturbed by our awesome surroundings.