INTKODUCTIONp \y 



his labours ufeful. That hydrographer 

 could require nothing more from a inan 

 who looks only to things, and pays no at- 

 tention to individuals^ Befides, having been 

 nearly fhipwrecked on the Cargados, becaufe 

 it pleafed that hydrographer to confound 

 Cargados with St Brandon, though a plan 

 of the former was taken by the boats the 

 Charles and the Elitabeth, and though one 

 of the latter is given in the Engli^J Pllofy 

 was it not my duty to fliew that thefe two 

 dangerous jChoals differ effentially, both in 

 their form and their longitude, as they lie 

 at the diftance of fifty leagues from each 

 other ? Cargados has the form of a cref- 

 cent, and St, Brandon that of an equila- 

 teral triangle. d'Apres, confounding 

 thefe two places, has in his chart given 

 them a mean pofition, merely becaufe in 

 the old charts he found them both placed in 

 the fame latitude. This pofition is fo falfe 



d 4 that 



