At last I could endure no longer to sit supinely by while a fellowman was dragged down to a horrible death by that repulsive reptile. Embedded in the prow of the skiff lay the spear that had been cast after me by him whom I suddenly desired to save. With a wrench I tore it loose, and standing upright in the wobbly log drove it with all the strength of my two arms straight into the gaping jaws of the hydrophidian.