766 



BULLETIN OF THE BUBEAU OF FISHERIES 



eastern part of the basin of the gulf, with the maximum neai* Lurcher Shoal in 1912 

 and 1915, over the northeastern deep as a whole and over German Bank in 1913, off 

 Machias, Me., and on German Bank in 1914. Furthermore, the maximum reading 

 for the month has varied little from year to year — 32.84 per mille in 1912 (station 



lOOMeters _ 



4- 



^ "<=£) y X ( 



3Z7rAu$ 

 J^.63</u' 



32 86 J"'- 



FiQ. 136.— Salinity at the surface, August, 1913 



10031), 32.75 to 32.79 per mille in 1913 (stations 10094 to 10097), and 33.06 per mille 

 in 1914. 



A certain consistency also appears from year to year in the outlines of the area 

 occupied by water salter than 32.5 or 32.7 per mille. In 1913 and 1914 this took 



