It flashed again on a swift, sweeping circle.

A short, choking yell aroused the other savages.

Up they sprang, alarmed, confused.
The shadow-form darted among them.

It moved with inconceivable rapidity; it became a monster.

Terrible was the convulsive conflict.
Dull blows, the click of steel, angry shouts, agonized yells, and thrashing, wrestling sounds mingled together and half drowned by an awful roar like that of a mad bull.