It was then that he began that rambling tale which suddenly played upon a sleeping memory and won the fevered interest of my uncle. There had been a slight earthquake tremor the night before, the most considerable felt in New England for some years; and Wilcox's imagination had been keenly affected. Upon retiring, he had had an unprecedented dream of great Cyclopean cities of Titan blocks and sky-flung monoliths, all dripping with green ooze and sinister with latent horror. Hieroglyphics had covered the walls and pillars, and from some undetermined point below had come a voice that was not a voice; a chaotic sensation which only fancy could transmute into sound, but which he attempted to render by the almost unpronounceable jumble of letters, "Cthulhu fhtagn".