On the Variation of the Magnetic Needle. 



229 



with very considerable brightness. The brightest point, about N. 

 30° W. 



J\7o^,. 6.-7 h., P. M., Declination 5° 36'; 8 h., 5° 29'; 9h., 

 5° 29^'; 10 h., 5° 34'. Between eight and nine, an auroral bank 

 of light in the north west. 



Nov. 10.— 7 h., P. M., Declination 5° 34' ; 8 h., 5° 36' ; 9 h., 

 5° 35'; 10 h., 5° 26'. Quite foggy. No aurora visible. 



Nov. 28.-7 h., P. M., Declination 5° 37' ; 8 h., 5° 32' ; 9 h., 

 5° 37'. At eight o'clock, a faint auroral light extends along the 

 northern horizon from the east almost to the west points. 



Dec. 4.-7 h., P. M., Declination 5° 44'; 8 h., 5° 30'; 9 h., 

 5° 36'. At eight o'clock, a slight auroral appearance in the north ; 

 not remarkable. Aurora seen in England, (Loudon, 1835, p. 96.) 



Dec. 6.-5 h., P. M,, Declination 5° 44' ; 6 h., 5^ 31 i' ; 7 h., 

 5° 35'; 8h., 5^31^'; 9 h., 5° 6'; 10 h., 5° 34' ; 10 h. 30 m., 

 5° 42'; 11 h., 5° 40'. Rainy through the forenoon — cloudy du- 

 ring the remainder of the day. At eight o'clock in the evening, a 

 very evident illumination in the east. At nine o'clock, from north 

 to east, the openings in the clouds are quite luminous. At ten 

 o'clock, the clouds broke away and shewed the horizon from N. W. 

 to N. E., to be all in a glow, a very bright and extensive bank of 

 light. No arches or streamers. At half past ten, the aurora fades 

 in the east, and brightens up in the north and north west. At eleven 

 o'clock fades away. ' Vivid' aurora seen in England, (Loudon, 

 1835, p. 96.) 



Dec. 8.-6 h., P. M., Declination 5° 38'; 7 h., 5° 23'; 9 h., 

 5° 35' ; 10 h., 5° 36'. Thick clouds and the light of the moon, 

 prevented any observations on the aurora. 



