The Preface, 
skilled in the Variation of the 
Needle and the life of the Azi- 
muth Compafs; befides the Ha- 
zard of all outward Accidents in 
ftrange and unknown Seas : Any 
one, I fay, who is fenfible of thefe 
Difficulties, will be much more 
pleafed at the Difcoveries and Ob- 
fervations I have been able to 
make , than difpleafed with me 
that I did not make more. 
Thus much I thought neceflary 
to premife in my own Vindica- 
tion, againft the Objedions that 
have been made to my former Per- 
formances. But not to trouble the 
Reader any further with Matters 
of this Nature ; what 1 have more 
to Offer, fhall be only in relation 
to the following Voyage. 
For the better apprehending the 
Courfe of this Voyage, and the 
Situation of the Places mentioned 
in it, I have here, as in the former 
Volumes, caufed a Map to be In- 
graven, with a prick’d Line, re- 
prefenting 
