"See that crocodile asleep on that stretch of sand?
He's our best protector.
Why?
Because he is asleep.

The natives, seeing him, would think we were not near.

We will, however, keep watch together." They returned to the boat, made all ready for an instant departure, in case they were discovered, then settled down to wait and watch once more.

Gradually the strain wore off, the old silence fell upon the scene, and their eyes grew heavy from sheer monotony.

The night had seemed long, bat the day was worse.
Then the boys rubbed their eyes and lifted their heads.