To assist me in this decision Mapes hung about the lower deck, until satisfied that I had actually turned in.
But I made no effort to sleep, and my mind remained busy.

Even in the course of those brief excursions I had acquired some little information of value, and of a nature to leave me more at ease.

I was now convinced that Kirby, whatever might be his ultimate purpose regarding the girl, had no present intention of doing her further injury.

He contemplated no immediate attempt at forcible possession, and would be well satisfied if he could only continue to hold her in strict seclusion.

The thing he was guarding against now, and while they remained on board, was escape from discovery.
I could easily understand the reason for this.