APPENDIX. 



62? 



a correction, though not a constant one. Professor 

 Christie, however, who proposes reducing these observ- 

 ations, and likewise those which were made for deter- 

 mining the magnetic intensity, informs me, that for the 

 observations from Fort Reliance to the sea, the amount 

 of this correction will be small, seldom exceeding ten 

 minutes. 



The dip of the needle at the several stations given 

 in Table I., is deduced by taking the mean of their 

 readings. 



TABLE I. 



Containing the observed Dip and Variation of the Magnetic Needle. 



* Variations in 1 825 by Sir J. Franklin ! — 



At Fort Resolution the variation in 1825 was 

 Ditto, in 1820 . - 



S S 2 



29° 15' 09" 

 25^ 40' 47" 



