PHYSICAL OCEANOGEAPHY OF THE GULF OF MAINE 



789 



The course of the isohaline of 32.5 per mille over Georges Bank in this profile 

 is also worth comment in connection with the northeastern to southwestern tongue 

 of low salinity and low temperature recorded there at the surface (p. 770) as evidence 

 of a counter movement out of the gulf, eddying clockwise around the eastern end of 



Fig. 152.— Depth below the surface of the isohalobath for 34 per mille, July to August, 1914 



the bank (fig. 207). The confinement of the slope water between the banks is also 

 illustrated by a summer chart of the 34 per mUle water (fig. 152), as is its extent at 

 that season compared with the spring (fig. 118). 



