Being a son of the wilderness, Owen Dugdale had probably never heard of the kindred terrors that used to lie in wait for the bold mariners of ancient Greece--the rock and the whirlpool known as Scylla and Charybdis--if they missed being impaled upon the one they were apt to be engulfed in the other--and yet here in the rapids of this furious Saskatchewan feeder he was brought face to face with a proposition exactly similar to that of mythology.