"I think it was—splendid!"

"Why, thanks, ma—I mean, Miss Chalmers. Only you did the same for me after you were up on the rock. So that makes it a stand-off."

Something in his manner and his speech perplexed her. Always before there was raillery, derision; now he seemed to cloak himself in a grave reserve.

"Sam!"

He waited for her to continue:

"You are not really a—common boatman," she said very positively.

"Sure of that?"

"Quite. But who are you?"

"You know enough, I guess."

"I'm afraid you are a burglar."