extremely comfortable to sit and lounge on—better than a sofa, when you once got accustomed to the damp and clammy feeling of it. He asked us, shortly after we started, if we wouldn't mind taking off our boots, as the hobnails in them hurt his back as we ran excitedly from one side to another to see the different sights.
The motion was not unpleasant, very smooth and even; in fact, but for the landscape passing outside, you would not know, on the level going, that you were moving at all.
I had always thought for some reason or other that the bottom of the sea was flat. I found that it was just as irregular and changeful as the surface of the dry land. We climbed over great mountain-ranges, with peaks towering above peaks. We threaded our way through dense forests of tall sea-plants. We crossed wide empty stretches of sandy mud, like deserts—so vast that you went on for a whole day with nothing ahead of you but a dim horizon. Sometimes the scene was moss-covered, rolling country, green and restful to the eye like rich pastures; so that you almost looked to see sheep cropping on these underwater downs. And sometimes the snail would roll us forward inside him like peas, when he suddenly dipped downward to descend into some deep secluded valley with steeply sloping sides.
In these lower levels we often came upon the
