850 



BULLETIN OF THE BUEEAU OF FISHEKIES 



So far as our records go, slope water of this high salinity reaches its widest 

 expansion within the gulf in April (p. 737) . The indraft through the channel, however, 

 seems to slacken during that month, for the bottom layer of 34 per mille water was 



Fig. 171.— Depth of the density surface (isopycnobath) for 1.027; July and August, 1914. Corrected for compression 



much thinner in May " of 1915 than in March or April of 1920 (p. 754), and the area 

 occupied by it was much less extensive. In that year (probably a representative 

 one) but little water can have moved inward through the Eastern Channel during 



" In May, 1916, the bottom water of the western arm of the basin was more saline than 34 per mille; that of the eastern less so. 



