Just what had really happened was maddeningly obscure, and for a moment both Gilman and Elwood exchanged whispered theories of the wildest kind. Had Gilman unconsciously succeeded better than he knew in his studies of space and its dimensions? Had he actually slipped outside our sphere to points unguessed and unimaginable? Where—if anywhere—had he been on those nights of demoniac alienage? The roaring twilight abysses—the green hillside—the blistering terrace—the pulls from the stars—the ultimate black vortex—the black man—the muddy alley and the stairs—the old witch and the fanged, furry horror—the bubble-congeries and the little polyhedron—the strange sunburn—the wrist-wound—the unexplained image—the muddy feet—the throat marks—the tales and fears of the superstitious foreigners—what did all this mean? To what extent could the laws of sanity apply to such a case?