CHAPTER XXXI.
IN WHICH YOU READ OF THE GLORIOUS CAVERNS OF WHITE MARBLE FRONTING
ON THE WONDERFUL RIVER.—IN THE TROPICS OF THE UNDER WORLD.—HOW
WE CAME UPON A SOLITARY WANDERER ON THE BANKS OF THE RIVER.—MY
CONVERSATION WITH HIM, AND MY JOY AT FINDING MYSELF IN THE LAND
OF THE RATTLEBRAINS, OR HAPPY FORGETTERS.—BRIEF DESCRIPTION OF
THEM. 217