OF THE POLAR SEA. 



85 



broken at the White Fall, and I had after- 

 wards the satisfaction of rinding that it went 

 with extraordinary regularity. 



The morning of the 7th October was 

 beautifully clear, and the observations we 

 obtained place Norway House in latitude 

 53° 41' 38" N., and longitude 98° r 24" W. ; 

 the variation of the magnetic needle 14° 12' 

 41" E., and its dip 83° 40' 10". Though 

 our route from York Factory has rather 

 inclined to the S.W., the dip, it will be per- 

 ceived, has gradually increased. The diffe- 

 rence produced by reversing the face of the 

 instrument was 7° 39'. There was too much 

 wind to admit of our observing, with any 

 degree of accuracy, the quantity of the mag- 

 netic force. 



We left Norway House soon after noon, 

 and the wind being favourable, sailed along 

 the northern shore of Lake Winipeg the 

 whole of the ensuing night; and on the 

 morning of the 8th landed on a narrow ridge 

 of sand, which, running out twenty miles 

 to the westward, separates Limestone Bay 

 from the body of the lake. When the wind 



