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Cape St. Roque and Banks, 314; Angerstein Reef, Aracati, 315;

Ciara, 317; Jericoacoara, Pernaibao or Paranahyba, 320; River

Perguicas, 320; Island of Santa Anna, 321; Maranham, 323;

St. Luiz, 324; Mount Itacolumi, 325; Remarks on the approach

to Maranham, 326; St. Joao Island, 328; Rio Para, and Re-

marks on the Approach to it, 329 to 384; General Remarks on

leaving Maranham, &c., 334; Shoal of Manoel Luiz, Sylva

Rock, 335.

Natal, 336; Rio Parahyba, 337; Itamarca, Pao-amarello, Pernam-

buco, and Olinda, 339; Cape St. Augustine, 340; Directions for

Pernambuco, 340 to 346; Maceio, 347; Rio San Francisco, Rio

Cotandiba, Cotinguiba or Maroim, 349; Rivers Vazabarris, Real,

and Itapicuru, 351; Bahia, 352; Morro de St. Paulo, 354;

River Una, St. George dos Ilheos, 355; Belmonte, Porto Seguro,

Monte Pascoal, 356; Abrolhos Rocks and Islands, 357; San

Matheo, Espirito Santo or Port Victoria, 359; River Guarapari,

Point Murubu, Cape San Thome, 360; Parahyba do Sul, 360;

St. Anne's Bay, 362; San Joao de Macahe, Ancoras Isles, Papa-

gayos Bay, 363; Cape Frio, Port Frio, 364; Cape Negro, Rio

Janeiro, 365; Marambaya Island, 375; Ilha Grande, Gairosu

Bay, 376; St. Sebastao or St. Sebastian, 377; Santos, 378;

Cananea, Paranagua, Rivers Guaratuba and San Francisco, 379;

Island of St. Catharine, 380; Rio Grande, 384 to 389.

RIVER PLATE, 389; General Remarks on the Plate, 389 to 392;

Cape St. Mary, Lobos, 392; Maldonado Bay, 393; Flores,

English Bank, &c., 394; Monte Video, 395; Potomac Bank,

Monte Video to Buenos Ayres, 397; Buenos Ayres, 399; Sail-

ing Directions for the Plate, 402 to 408.

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Table of the various reported Dangers in the South Atlantic, 431;

Descriptive Notes of these reported Dangers, 432 to 481.

Fernando de Noronha, 433; Roccas, 434; Ascension Island, 434;
St. Helena, 444; Trinidad and Martin Vas Rocks, 451; Tristan

THE

ATLANTIC NAVIGATOR.

THROUGHOUT THIS WORK THE BEARINGS AND COURSES ARE ALL BY COMPASS, UNLESS WHERE OTHERWISE EXPRESSED; BUT THOSE GIVEN THUS [E.N.E.], SIGNIFY THE TRUE. THE GIVEN DEPTHS ARE THOSE AT LOW WATER SPRING TIDES. THE DISTANCES ARE IN NAUTICAL MILES OF 60 TO A DEGREE. THE DIRECTIONS OF

IN

THE WINDS, TIDES AND CURRENTS ARE ALWAYS TO BE UNDERSTOOD AS THE TRUE.
THE BAY OF BISCAY THE VARIATION OF THE COMPASS IS ABOUT 2 POINTS WESTERLY.
IT HAS RECENTLY BEEN ORDERED BY THE LORDS COMMISSIONERS OF THE ADMI-
RALTY THAT THE WORD "PORT" IS TO BE SUBSTITUTED FOR THE WORD 66 LARBOARD"
IN ALL H.M. SHIPS OR VESSELS, ON ACCOUNT OF THE MISTAKES WHICH FREQUENTLY

OCCUR FROM THE SIMILARITY OF THE TERMS STARBOARD AND LARBOARD.

In our Sailing Directions for the English Channel, the Coasts of England and France have been minutely described, and consequently to repeat the description would not be consistent with the limits of the present work. But as it is possible that a ship may be driven, by stress of weather, into the BAY OF BISCAY, a few remarks on its harbours may not be misplaced.

SECTION I.

THE COASTS OF FRANCE, SPAIN, AND PORTUGAL.

USHANT TO SOCOA.

USHANT or OUESSANT is an irregular craggy island, about 4 miles in length from east to west, and 2 miles in breadth. On the south-western side of the island is Lampaul Bay, a harbour frequented only by the French, and difficult to navigate. At the entrance of the bay, between the rocks on either side, are soundings of 40 fathoms, with a bottom of rock and small shells, thence decreasing gradually to 5 and 6 fathoms at the head of the bay. In the middle of the bay is a rock called La Corcé, which is always above water, and has a clear passage on either side of it. But this place is difficult to get into on account of the dangerous reefs which extend off this end of the island, drying in some places, but always breaking when there is any sea. The Jument Rock, the southernmost of the rocky ridge on this side of the island, dries 19 feet at low water: it lies about W.S.W. from the island, distant rather more

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