3i6 A VOYAGE TO Book IX. 



to the interval of time between their beginning and 

 ceflfation, regard being had to their velocity in thofe 

 parts when they were moil evident by the difference 

 between the latitudes by account and obfervation, and 

 this will give the true place of the ihip correfponding 

 to the different obfervations. 



The obfervations having been made either at fun- 

 rifing or fun-fetting, and the daily reckoning not been 

 adjufted till noon, according to the common pradice 

 at fea, occafions, between the longitude determined 

 that day, and that in which the íhip really was at the 

 time the variation was obferved, a differetice, which 

 fometimes amounts to a degree or more, I have there- 

 fore taken care in the following table to fettle the lon- 

 gitude and latitude agreeable to the hour when the va- 

 nation was obferved. 



A Table of the Variations chjerved in the Voyage 

 from theBxY (/Conception to the J/iáncí of Fekn ah ^ 

 DO DE NoRONA, ¿ft different latitudes and longitudesy 

 the latter being reckoned from the meridian of Conceí^- 



TION. 



