APPENDIX. 



619 



1° 55 f W.: faint S.W. to W., 1° 55' W., 1° 20' W., 

 1° 30' W-, 1° 10' W., 0° 05' W. : a band N.W. to 

 N.E., 0° 15' W. : faint appearance at S., 0° 00', 0° 20' 

 W., 0° 20' W. The aurora was again brightening 

 when, from my fingers being nearly frozen, I was obliged 

 to leave off. 



Time at beginning 16 h 15 m 30 s 



ending 



16 24 00 

 8 30 



Interval 



Thermometer, observatory, — 44°, air, — 52°. Calm 

 and misty. 



December 23d. — There had been aurora all the 

 evening, and at 10 h p.m. the needle was in slight motion 

 at 0° 40' W. At midnight the aurora was generally 

 diffused ; the principal stream being at E., and extend- 

 ing almost across the zenith to W.b.S. It flowed in 

 three distinct bands, which separated or forked into 

 three others, whose faint extremities expanded 20°, and 

 were there joined by an irregular band of rays that com- 

 pleted the semicircle. The needle moved from 1° 40' 



