128 



M. W. C. HEPWORTH. 



The January chart has been referred to in order to point out 

 the phenomenon as shewing the extreme southern limit of the set 

 during this month, but this set will be found cropping up between 

 the tenth and twentieth parallels on the charts for each month of 

 the year, Between the tenth and the eighteenth parallels, except- 

 ing when the northerly current referred to is met with, the north- 

 east Trade Drift sets to the westward, its direction varying from 

 south-west to noth-west, and approaching the Hawaiian Islands 

 southerly and south-westerly currents may still be considered to 

 prevail, but northerly and easterly have frequently been experienced 



