A Frontier Mystery

" Leaping, whirling-gradually drawing away from the rest, two of the combatants are striving; each devoting every nerve, every energy, to the overthrow of the other. But each feint is met by counter feint, each terrible swinging stroke by the crash of equally hard wood or the dull slap of tough hide shield opposed in parry. Already more are down, still about even numbers on each side, and still these two combatants strive on. Both are tall, supple youths, perfect models of proportion and sinewy grace and strength. Then a sudden crunching sound, and the blood is pouring from the head of one of them.(...)."