On the 27th of November, all our stores being laid in, bidding a cordial farewell to Brazil, I returned to my ship, intending to continue our voyage on the following day. Accordingly at five o'clock on the morning of the 28th we spread our sails, and the ebb-tide and a light breeze from the North, bore us slowly from this lovely coast. The wind soon slackened; and we should have been greatly embarrassed but for a number of boats sent by the English squadron, then lying in the roads, to tow us out to sea, by which seasonable assistance we were enabled to clear the bay before evening. The heat of Brazil had not injured the health of our crew. Fresh provisions, much fruit and vegetables, good lemonade instead of the ordinary drink, and a sea bath every evening, were the means I employed for the prevention of sickness. The men were in the best spirits for encountering the storms of the Southern ocean; and I destined the port of Conception, on the coast of Chili, for a resting-place, after having surmounted the difficulties of doubling Cape Horn. The result of our repeated observations on land, are as follows:-- Latitude of Botafogo 21° 56' 5" South. Medium Longitude from various observations 43° 7' 32" West. Every longitude which is given in the course of this voyage is reckoned by the distance from Greenwich, going from West to East. The variation of the needle amounted to 3° East, its inclination to 9° 28'. As the longitude of Cape Frio has been variously laid down, I took much pains to ascertain it exactly. By a very good chronometer, I found the difference between Cape Frio and Botafogo 1° 6' 20"; so that the true longitude of Cape Frio from Greenwich must be 42° 1' 12". DOUBLING OF CAPE HORN, AND RESIDENCE IN CHILI. DOUBLING OF CAPE HORN, AND RESIDENCE IN CHILI. We continued our course to the South very agreeably, with fine weather and a favourable wind. Under thirty-nine degrees of latitude, however, we could already perceive how much further the South pole extends its unfavourable influence than the North. The sky was no longer clear, the wind became changeable and violent, the air much colder, and the frequent sight of the whale, and of a giant bird called the albatross, warned us that we were approaching the stormy region. We afterwards shot one of these birds on the coast of Chili, which measured twelve feet across the wings. In the parallel of Rio de la Plata, although two hundred miles from land, we were daily carried by the current thirty-nine miles out of our course towards the south-west; so great is the influence of this mighty river at the distance of two hundred and forty miles from its mouth.