3905. He still remained above the head in a dense obscurity, with which he was so oppressed that his weight was thence perceived, as it were, manifestly moving my head forwards, so that unless I had been in bed my head would have inclined in that direction and then to one side and the other. His gravitation, thus sensibly felt by me, was like that of a superincumbent weight pressing first in a front direction and then round about towards the sides; from which the inference was plain to me what kind of an influx is produced by that confused obscureness.