I thought that some sea-monster had scented me in my boat, and had started to attack me.

This new fear aroused me to action.

It was a danger quite unlike any other which I had ever known; yet the fear which it inspired was a feeling that roused me to action, and prompted me, even though the coming danger might be as sure as death, to rise against it and resist to the last.

So I stood up with my rifle and listened, with all my soul in my sense of hearing.

The sounds arose more plainly.