CHAPTER XX
ON May 10 there was a great change in the condition of the sea; there could be no doubt of my longitude now, if any had before existed in my mind. Strange and long-forgotten current ripples pattered against the sloop's sides in grateful music; the tune arrested the ear, and I sat quietly listening to it while the Spray kept on her course. By these current ripples I was assured that she was now off St. Roque and had struck the current which sweeps around that cape. The trade-winds, we old sailors say, produce this current, which, in its course from this point forward, is governed by the coastline of Brazil, Guiana, Venezuela, and, as some would say, by the Monroe Doctrine.
The trades had been blowing fresh for some time, and the current, now at its height, amounted to forty miles a day. This, added to the sloop's run by the log, made the handsome day's work of one hundred and eighty miles on several consecutive days. I saw nothing of the coast of Brazil, though