None of these colloquies was ever ocularly witnessed, since the windows were always heavily draped. Later, no more conversations were ever heard in the house, and Weeden and Smith concluded that Curwen had transferred his field of action to regions below.

That such regions in truth existed, seemed amply clear from many things. Faint cries and groans unmistakably came up now and then from what appeared to be the solid earth in places far from any structure; whilst hidden in the bushes along the riverbank in the rear, where the high ground sloped steeply down to the valley of the Pawtuxet, there was found an arched oaken door in a frame of heavy masonry, which was obviously an entrance to caverns within the hill.