120 



(iiiuid Hank, south of which it disappeared through mixing with, 

 water of the Grand Bank. 



' {-2) Southwest of Cape Eace it was traced to the edge of the New- 

 foundland shelf, where it abutted against warm salty offshore water.. 

 (8) It flowed westward in the depression of the shelf between 

 vSt. Marys Bank and St. Pierre Bank, but not southAvestward of a 

 mid-point in St. Pierre Bank (station 440), offshore of which all. 

 traces ceased. 



STATIONS 443 AND 444 



These two stations were taken as the patrol cruised southward 

 along the western slope of the Bank toward the Tail. Informa- 

 tion was sought as to the temperature and salinity of the water 

 which lay along the slope of the Bank that far northwestward of the 

 Tail. The stations were taken May 5. 



The mininuim tempei-ature at the G6-meter (;3()-fathom) depth at 

 station 443 indicated a cooling wdiich is believed to emanate from the 

 direction of Cabot Strait. The water was considerably warmer 

 fartlier south, at station 444, but it should be added that this last 

 station was taken a few miles farther seaward of the slope than 443, 

 The coldest water 'at 444 Avas 3.6^ at the 50-meter (27 fathom) 

 depth. Such a high temperature indicates a mixing with the off- 

 shore waters of the Atlantic basin, and the salinities below the 125- 

 meter (68-fathom) depth substantiate such a premise. The surface 

 la\ers Avere fresher than 32.00 "/oo- The cause of such a warm fresh 

 intrusion is difficult to explain. 



Profiles Xo. 6-0 i-epresent four vertical sections made of the water 

 which lay on the southAvest slope of the Orand Bank May 6 to 8. 

 Thi'V were taken at regular intervals beginning at a point on the 

 slope 130 miles north AA'est of tlie Tail, the last section being run at 

 the Tail. 



PROFILE NO. 6— STATIONS 445-447 



Tliis section Avas taken normal to the southwest slope of the Grand 

 Bank. May 6, 130 miles from the Tail. The coldest water, with a 

 temperature of 1.1° and a salinity of 33.33 Voo h^y on the bottom 

 of the Bank at the inner station (447). It was a small patch, not 

 more than 20 meters (11 fathoms) in thickness and 7 miles in width. 

 The Avarmest Avater, 5°, lay on the surface in a film 15 meters (8 

 fatlioms) thick at all stations and the deeper layers were 3.4°-4° 

 in temperature. The parallel and horizontal positions of the 

 isotherms and isohalines indicate a Avater quite free from external 

 disturbances except on tlie liottom of the slope. The patch of cold 



