Chapter 18

Without warning came those deep, cracked, raucous vocal sounds which will never leave the memory of the stricken group who heard them. Not from any human throat were they born, for the organs of man can yield no such acoustic perversions. Rather would one have said they came from the pit itself, had not their source been so unmistakably the altar-stone on the peak. It is almost erroneous to call them _sounds_ at all, since so much of their ghastly, infra-bass timbre spoke to dim seats of consciousness and terror fa…