When the slanting wall of Gilman's room was torn out, the once-sealed triangular space between that partition and the house's north wall was found to contain much less structural debris, even in proportion to its size, than the room itself, though it had a ghastly layer of older materials which paralyzed the wreckers with horror. In brief, the floor was a veritable ossuary of the bones of small children—some fairly modern, but others extending back in infinite gradations to a period so remote that crumbling was almost complete. On this deep bony layer rested a knife of great size, obvious antiquity, and grotesque, ornate, and exotic design—above which the debris was piled.