Finally he said: "'The fact that it is not diaphanous convinces me that it is a dense vapor formed by the calorification of ascending moisture dephlogisticated by refraction.

A few endiometrical experiments would confirm this, but it is not necessary.

The thing is obvious." So he shut up his glass and went into his shell to make a note of the discovery of the world's end, and the nature of it.
"Profound mind!" said Professor Angle-Worm to Professor Field-Mouse; "profound mind! nothing can long remain a mystery to that august brain." Night drew on apace, the sentinel crickets were posted, the Glow-Worm and Fire-Fly lamps were lighted, and the camp sank to silence and sleep.
After breakfast in the morning, the expedition moved on.

About noon a great avenue was reached, which had in it two endless parallel bars of some kind of hard black substance, raised the height of the tallest Bull Frog above the general level.

The scientists climbed up on these and examined and tested them in various ways.