Her eyes were fixed on the open port-hole. Through that port-hole the lagoon was visible; so was Haltren, wading shoreward, a solitary figure against the fringed rampart of the wilderness.

“Is Mrs. Castle better?” asked Darrow.

“I think so; I think she is asleep,” said the girl, calmly.

There was a pause; then Darrow took the tumbler and stirred the contents.

“Do you know who it was that got us out of that pickle?”

“Yes,” she said; “my husband.”

“I suppose you could hear what we said on deck.”

There was no answer.

“Could you, Kathleen?”

“Yes.”