161 



The proof that such icy water masses found along the southwest 

 slope, 90 miles west of the Tail, were transported clockwise around 

 the Atlantic faces of the Grand Bank, instead of across it, is furnished 

 by the decidedly higher temperatures in over the Bank. 



The Arctic water in October was in the form of a narrow streak 

 bathing the 90 meter (49 fathoms) contour southward as far as the 

 Tail, and again an isolated patch, probably a disconnected extension, 

 90 miles northwest of the Tail at the same depth on the slope. This 

 body was 9 miles wide and 90 meters (49 fathoms) deep on the east 

 slope, 12 miles wide and 75 meters (41 fathoms) deep at the Tail, 



and 8 miles wide and 45 meters (25 fathoms) deep farthest west 

 on the slope, plainly showing that it was becoming narrower and 

 shallower as we proceeded westward. An isolated core of icy water 

 offshore of the Tail will be discussed later. 



Although the axis of the Arctic water occupied about the same 

 location relative to the slope in October as is usually the case in the 

 spring, its volume was much smaller. A comparison betw^een the 

 size of the Arctic current during the spring when it was at a maximum 

 (sketch No. 4) with its dimensions in June and October (sketches 7 

 and 11) brings out this fact. At the Tail of the Bank in April it had 

 a width of 30 miles and a depth greater than 750 meters (410 fathoms) ; 



