618 



APPENDIX 



[No. "III. 



December 25th, 1820. 



A.M 



Hour. Temp. Wind 



9 



43 



W 



Moderate. Clear 



Noon 



3 



38 

 35 



do. 

 S.W 



do. 

 Fresh 



Faint bur round the moon, con 

 siderablemist over the rapid 



Cloudless. Haze in the horizon 



do 



do 



9 



Midnt 



31 W.S.W 



28 



do 



do 



Stratus in the south, rapid 

 inaudible, and free from mist. 



A little haze 



Cloudy and dark in the horizon 



obscurely in the zenith 



Stars 



of 



At 1 (a. m. 26th.), the Aurora appeared for the first time this night in form 



faint arch, extending from the altitude of 40 



near the zenith, bearing S.E 



the N.W. to 



pot 



It was composed of longitudinal bands or 



streams of light, connected with each other by a faint luminousness 



snow was falling at this time in minute crystals, and there was 



haziness in the sky 



a 



A 



slight 



December 26th, 1820 



Hour. Temp. Wind 



9 



24 W.b.S. Fresh 



Noon 



22 



S.W. Moderat 



9 



Midnt 



29 W. 

 32 do 



do. 

 Light 



Cloudy. Much snow-drift, very cold. 



Stratus, sun obscured, much 

 mist from the rapid. 



do 



Clear 

 do. 



At 1 Oh. 30' an arch-formed Aurora, about 8° broad 



southward of the zenith 



ppeared a little to the 



the horizon, and terminated in the S.E. and N W 



Its extremities descended to within 1 5° degrees of 



At 



time, the light 



of the arch appeared of uniform density throughout; at other times it was 

 most intense along its southern or lower edge, and became gradually fainter 

 upwards until it disappeared. 



The stars were seen obscurely through the denser light ; in other parts of 

 the sky they shone brightly. At the same time, there appeared in the E. S . E. 

 parallel to the horizon, a mass of bright light with two or three dark horizontal 

 streaks across its face, produced apparently, by intervening layers of cloud. 

 The arch continued for a considerable time without undergoing any material 



alteration 

 faded away ag 



its appearance, except that it occasionally brightened up and 

 lin. Once, indeed, for a few moments, it separated into por- 



