86 



RECORD AND RESULTS OP 



Camp Separation, Smith Sound. 

 Observations for magnetic declination, May 24 (25th A. M.), 1861. I. I. Hayes, observer. 



Bearina; of the sun. 



P. chr. May 25, Port Foulke aT= + 1'' li 

 Difference of longitude, + I 



T Camp Separation, 

 Observed time, 



+ 1 16 02 

 12 58 00 



Mean time of obs'tion (24th), 14 14 02 

 E + 3 24 



14 17 26 



^ = 18° 53' 

 71. = 4" 48i" 



S= 20° 57' 45" 



i)/= — 24 53.6 

 A = 212 33 



Bearinj] 



42 45 



Magnetic declination, + 104 42 or + 105° 04' when corrected 



for diurnal variation. 



Last Camp, Smith Sound. 



Observations for magnetic declination. May 26 (P.M.), 1861. I. I. Hayes, observer. 



Bearing of the sun. 



P. chr. May 26, Port Foulke, A T = + 1" 12"^ 26= 

 Difference of longitude, + 3 32 



A T Last Camp, 

 Observed time (J) 



Mean time of observation, 



+ 1 15 

 5 47 



58 

 30 



7 03 

 + 3 



28 

 13 



7 06 41 



^ = 78° 38' 

 7, = 4'^ 481" 



S= 21° 15' 36' 



J/ = — .53 36.7 

 A = 110 28.8 



Mac:, bearinc- (bill 00 



Magnetic declination, + 108 31 or + 108° 36' when cor- 

 rected for diurnal var'n. 



Starr Island, Port Foulke, Smith Strait. 

 October 27, 1860. August Sonntag, observer. 

 By means of the observed bearing of the base line and the agreement of the 

 observed and computed latitude of Cape Isabella (see astronomical part) Ave have 

 the magnetic declination + 109° 45' 



^ = 78° 17'. 8 A = 73°06'.0 



Northumlierland Island, off south side. Whale Sound. August 3, 1861. 

 The record of this observation not being quite complete, the observer's result, or 

 + 106° 00', is adopted. 



* = 77°11' it =72° 20' 



