Those men must have landed in a boat.

He intended to attack them again.

He was going to fight them single-handed, and she would not know what happened to him until it was all over.

Gradually her vitality returned.
She almost smiled at the fantastic conceit that _she_ would desert _him_.
Jenks placed her on her feet at the entrance to the cave.
"You understand," he cried, and without waiting for an answer, ran to the house for another rifle.

This time, to her amazement, he darted back through Prospect Park towards the south beach.