culations, the dock was drifting southeast at the rate of some six or seven miles each day. The dock was a prisoner in that vast central swirl between the North and South Atlantic, that was swinging in stagnating circles when Columbus sailed for the new world; it lay exactly the same when the Norsemen beat down the coasts of Europe; it would continue as long as Africa, Europe, and the Americas deflected ocean currents to produce its motion. Its vast flaring dial was the clock of the world, marking the passing ages. In all that stretch of time the Sargasso must have received strange prey, triremes, caravels, galleons, schooners, men o' war, derelicts ancient and modern, but certainly never before had the art of man placed such a colossal and extraordinary fabric within its swing.
Some such thoughts as these passed through Madden's mind as he pursued his reckoning through trigonometric tables. The light fell redder and dimmer through the ports and he hurried to finish his work before darkness required a lamp in the steamy cabin. A furnace-like breath, laden with malodorous ship smells, drifted in upon him. Madden's thin undershirt
