But Armitage had a sound physique despite his seventy-three years, and slept off his disorder that night without developing any real fever. He woke late Friday, clear of head, though sober, with a gnawing fear and tremendous sense of responsibility. Saturday afternoon he felt able to go over to the library and summon Rice and Morgan for a conference, and the rest of that day and evening the three men tortured their brains in the wildest speculation and the most desperate debate. Strange and terrible books were drawn voluminously from the stack shelves and from secure places of storage, and diagrams and formulæ were copied with feverish haste and in bewildering abundance. Of skepticism there was none. All three had seen the body of Wilbur Whateley as it lay on the floor in a room of that very building, and after that not one of them could feel even slightly inclined to treat the diary as a madman's raving.