70° 68° 66° 64° 70° 68° 66° 64° 70° 68° 66° 64 



° 70° 68° 66° 64° 



46° 



I I I I I 



72° 70° 68° 66° 64° 72° 70° 68° 66° 64° 72° 70° 68° 66° 64° 



FIGURE 23.--Surface'circulation deduced from recoveries of drift bottles launched from Lurcher Lightship 

 each day during the period October 9, 1956-December 31, 1957. 



26 



