His head felt enlarged, and his eyes seemed alight; he could see these two globes of phosphoric light under his brows.

They seemed to stand out so that he could see them.

He thought his path straight, it was really curved; nor did he know that he staggered as he walked.
Presently a white object appeared ahead; and on coming to it, he found it was a wall, white as snow, with some kind of crystal.

He touched it, when the wall fell immediately, with a crushing sound as if pulverised, and disappeared in a vast cavern at his feet.

Beyond this chasm he came to more walls like those of houses, such as would be left if the roofs fell in.