So that was what these lekythoi contained; the monstrous fruit of unhallowed rites and deeds, presumably won or cowed to such submission as to help when called up by some hellish incantation, in the defence of their blasphemous master or the questioning of those who were not so willing? Willett shuddered at the thought of what he had been pouring in and out of his hands, and for a moment felt an impulse to flee in panic from that cavern of hideous shelves with their silent and perhaps watching sentinels. Then he thought of the "Materia"—in the myriad Phaleron jugs on the other side of the room. Salts too—and if not the salts of "guards", then the salts of what? God! Could it be possible that here lay the mortal relics of half the titan thinkers of all the ages; snatched by supreme ghouls from crypts where the world thought them safe, and subject to the beck and call of madmen who sought to drain their knowledge for some still wilder end whose ultimate effect would concern, as poor Charles had hinted in his frantic note, "all civilisation, all natural law, perhaps even the fate of the solar system and the universe"? And Marinus Bicknell Willett had sifted their dust through his hands!