782 



BULLETIN OF THE BUREAU OF FISHERIES 



this same sort and of about the same salmity (33 to 33.2 per mille) also character- 

 ized the 40-meter level in August, 1913 (fig. 146); and while the most saline water 

 (33 per mille) did not form so definite a tongue in 1912 (Bigelow, 1914), a regional 



Fio. 146.— Salinity at a depth of 40 meters, July 19 to August 24, 1914 



distribution of the type just described has reappeared frequently enough on the 

 charts for various levels, months, and years to establish it as normal for the gulf. 



Densities determined by Craigie (1916a) for August 27 to 29, 1914, when 

 reduced to terms of saUnity also show this saline water (33 per mille) curving into 



