Yes, that must have been the case.

But sailors do not often leave their pipes behind them, nor should the officer in charge have allowed them to lounge about and smoke.

But it must have been one of those sailors who left it here.

I am glad I am the one to find these things." The captain now entered the opening to the caves.

Passing along until he reached the room which he had once occupied, there he saw his rough pallet on the ground, drawn close to the door, however.
The captain knew that the rest of his party had gone away in a great hurry, but to his orderly mariner's mind it seemed strange that they should have left things in such disorder.
He could not stop to consider these trifles now, however, and going to the end of the passage, he climbed over the low wall and entered the cave of the lake.