153 TABLES OF OBSBUVATIONS, ^C. 



difficult, in short, to keep in the easterly current than in the 

 other, as the temperature of the water will always aj)p) ise you 

 when in or out of the current; and, with a free wind, a per- 

 son, bound to the westward, has only to steer out now and 

 then, until the temperature of the water begins to fall, and 

 by that means he will avoid penetrating through into the Gulf. 

 The substance called Gulf-weed is no mark by which the 

 stream can be distinguished, as it is met with in great quan- 

 tities throughout the middle latitudes, to the westward of 

 the Azores, and northward of Bermuda. 



