And in order to give some figures for comparison it has been calculated that an object thrown from the towers of Notre Dame, the altitude of which is only 200 feet, would reach the pavement with a velocity of 120 leagues an hour. Here the projectile would strike the earth with a velocity of 57,600 leagues an hour.

"We are lost men," said Nicholl coldly.

"Well, if we die," answered Barbicane, with a sort of religious enthusiasm, "the result of our journey will be magnificently enlarged! God will tell us His own secret! In the other life the soul will need neither machines nor engines in order to know! It will be identified with eternal wisdom!"

"True," replied Michel Ardan: "the other world may well console us for that trifling orb called the moon!"

Barbicane crossed his arms upon his chest with a movement of sublime resignation.

"God's will be done!" he said.

CHAPTER XX.

THE SOUNDINGS OF THE SUSQUEHANNA.

Well, lieutenant, and what about those soundings?"

"I think the operation is almost over, sir. But who would have expected to find such a depth so near land, at 100 leagues only from the American coast?"