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African anchor anchorage appears Ascension Bahia Bank barometer bearing Berkeley Sound blow boat Brasil breeze calms Cape Horn Cape Palmas Cape San Roque Cape St Captain chart coast crossing danger depth direction distance drift East East Falkland easterly eastern eastward entrance equator fathoms February feet frequently gales Guinea Current Harbour Helena high water icebergs Isle islets January land large iceberg latitude leagues light lighthouse longitude Maranham March meridian miles monsoon months navigation nearly North northerly northern northward observations ocean parallel passage passed Pernambuco Plata Port Port Egmont prevail rain reef remarks River rocks rollers Roque round route runs S.E. trade S.E. trade wind sailing sand season seen ship shoal shore side Sound South Atlantic southern southward squalls summer summit temperature tide trade wind Tristan da Cunha velocity vessels voyage weather West westerly western westward winter
Page 236 - The town is fortified with an entrenchment, salient angles, and redoubts, which inclose about half a mile in length, and a quarter of a mile in width.
Page 249 - I concluded that what we had seen, which I named Sandwich Land, was either a group of islands, or else a point of the continent. For 1 firmly believe that there is a tract of land near the Pole which is the source of most of the ice that is spread over this vast southern ocean.
Page 175 - The two largest nearly connect with each other and form a kind of harbour, or place of shelter for a boat, on the NW side.
Page 652 - ... stranded. In day-time, a number will be shown, white upon a black ground. At night, the number will be shown transparent. No. 1. You are earnestly requested to remain on board until assistance is sent ; there is no danger to life. No. 2. Send a line on shore by cask, and look out for line from rocket or mortar. No. 3. — Secure the rope ; bend a warp or hawser to it, for us to haul it on shore for the boat, or for us to send you a stout rope, to be made fast to some firm part of the wreck, that...
Page 246 - S., an indication that no land was near us in that direction ; nevertheless, the vast quantity of snow on that in sight induced us to think it was extensive, and I chose to begin with exploring the northern coast. With this view we bore up for Willis's Island, all sails set, having a fine gale at SSW As we advanced to the N., we perceived another isle lying east of Willis's, and between it and the main.
Page 33 - ... impulse urging it directly towards that circle, in every point of its progress towards its new situation it must be found deficient in rotatory velocity, and therefore unable to keep up with the speed of the new surface over which it is brought. Hence, the currents of air which set in towards the equator from the north and south must, as they glide along the surface, at the same time lag, or hang back, and drag upon it in the direction opposite to the earth's rotation, ie from east to west. Thus...
Page 246 - W. The other isle, which obtained the name of Bird Isle, on account of the vast number that were upon it, is not so high, but of greater extent, and is close to the NE point of the main land, which I called Cape North. The SE coast of this land, as far as we saw it, lies in the direction of S.
Page 134 - It was, however, very difficult to examine them with care, for almost the instant motion ceased, even while crossing the field of vision, their bodies burst.
Page 120 - There is every reason to consider it established, that an earthquake is simply " the transit of a wave or waves of elastic compression in any direction, from vertically upwards to horizontally in any azimuth, through the crust and surface of the earth, from any centre of impulse or from more than one, and which may be attended with sound and tidal waves, dependent upon the impulse and upon circumstances of position as to sea and land.
Page 321 - When broken, it is found to be composed of a very hard species of sandstone of a yellow complexion, in which numerous bivalves are imbedded in a state of complete preservation. Various species of small sea-shells may be collected in the water-worn cavities of the surface. At several points deep winding fissures extend through a portion of the reef, but in general its appearance is quite regular, much more so doubtless than any artificial wall could be after hundreds of years' exposure to the wearing...