28 



Fishery Board for Scotland. 



JAN. 



0-0 



3-4 



0-0 



-1-2 • 



3-8 



-2-9 



-2-7 



-2-T 



0-0 



3-4 



2-8 



0-0- 



MAY. 



0-8 



-1-3 



3-6 



0-0 



MARCH 



3-5 



0-0 



JUNE 



Fig. 12.— Diagrammatic surface- temperature gradients in an area bounded 

 by 15° W. (60° N.-50" N.) and 6° E. (60° N.-53° N.). 



3-1 



