The evil abnormality I speak of did not become manifest at first. Setting me down <m a surface which I recognized as sand rather than rock, my captors passed a rope around my chest and dragged me a few feet to a ragged opening in the ground, into which they presently lowered me with much rough handling. For apparent eons I bumped against the stony irregular sides of a narrow hewn well which I took to be one of the numerous burial shafts of the plateau until the prodigious, almost incredible depth of it robbed me of all bases of conjecture.