PHYSICAL OCEANOGKAPHY OF THE GXJLF OF MAINE 



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the form of a U or V, its concavity directed toward the southwest, its one arm 

 roughly paralleling and somewhat overlapping the 100-meter contour off the Nova 

 Scotia coast, its other arm similarly paralleling the coast of Maine westward as far 

 as the offing of Penobscot Bay (figs. 135 and 136). In my account of the salini- 



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Fig. 136.— Salinity at the surface, July to August, 1914. For 32.61 in the northern channel read 32.01 



ties of 1913 I assumed that this saltest tongue was continuous with the still higher 

 salinities outside the continental shelf via the southeastern part of the gulf (Bige- 

 low, 1915, pi. 2). However, continued investigation of the gulf has made it more 

 likely that this was actually an isolated pool surrounded by less saline water on the 

 south, as was certainly the case in July and August, 1914 (fig. 136). This was 



