Then there came a rocky and rough region entirely different from that which Frank had expected.
“How is this?” he exclaimed, in surprise. “Where is Gull Island?”
Once more he examined the chart.
As near as Frank could reckon, he ought to be just at the spot where Gull Island should be.
But instead, the water seemed deeper here than anywhere else. There surely was no sign of an island.
Of course it was not possible to take bearings in the usual way, being so far under the sea.
“Bejabers, it’s off our course we are, Misther Frank!” said Barney.
“I’m afraid you are right, Barney,” agreed the young inventor. “What shall we do about it?”
“Go to the surface and make sure where we are,” said Von Bulow. “It won’t do any of us harm to take another look at the sky and the outer air.”
“You are right,” said Frank, with sudden decision. “We will do it.”