Otter had dived, and rising beneath the feet of the man, he seized him, and with a sudden movement dragged him down to death by drowning.

Either this, or an alligator had taken him, and that flash was the flash of his fangs.
As Leonard thought thus a dark form rose gasping at the foot of the steps; it drew itself out of the water and slipped stealthily up them.
It was Otter, and he held a knife in his hand.

Now the dwarf vanished through the gates into the little guard-house at the top of the embankment.

Another minute, and ropes began to creak.

Then the tall drawbridge, standing upright like a scaffold against the sky, was seen to bend itself forward.