“We are coming to land!”

The peculiar greenish hue, and many significant changes in the character of the ocean bed would seem to indicate this to be a certain fact.

At once all became excitement.

Everybody crowded to the windows and kept a lookout for—what they hardly knew, unless it might be some certain indication of land.

Suddenly the Dart came to a stop.

She was facing a succession of ascending reefs. Further progress in that direction was barred.

But all were confident.

“I tell you we are close to land,” cried Von Bulow.

“We have only to ascend those reefs to reach it,” declared Bell.

But Frank Reade, Jr., was not so sanguine.