

No. III.] 



Dr. RICHARDSON ON THE AURORA. 



607 





peared ; whilst the remainder, separating laterally into several long streaks of 

 light, shot quickly up in flashes from the N. W. to S.E., crossing the zenith. 



Sky moderately clear. 



About lh. (a. m. 13th.) there were many masses of light in various parts of 

 the sky, which bore a strong resemblance to assemblages of the clouds deno- 



minated 



cumuli. At one time a remarkable body of light appeared 



the N.N.E., which occasionally split into detached parts by a lateral reces- 

 sion, but its general motion was directly to the S. W. It obscured the smaller 

 stars, but did not completely hide those of the first magnitude. 



December 13th, 1820. 



Hour. Temp. 



A.M. 9 



Noon, 



9 



35 



32 



Wind. 



s.w. 



W.b.S 



Light 



CI 



Pretty dense mist from the rapid 



Moderate clear 



34 Nearly calm. Small 



Bright moon-light. A few 

 visible. 



At lh. (a. m. 14th), a broad arch of faint light, crossing the zenith, extended 

 from horizon to horizon, its extremities bearing E. and W. A meteor, termed 



It remained luminous, until it came 



When the arch broke 



a falling star, was observed at this time; 



below the near side of a tree-top at no great distance 



up, its west end disappeared entirely, but its eastern extremities assumed fo 

 some time the semblance of a group of cirro-cumuli. 



December 14th, 1820. 



Hour. Temp. Wind. 



A.M. 9 



tl 



26 S.b.W. Light cloudy. 



19 S. S.W. Moderate do. Prevailing cloud a modification of 



Noon, 



P.M. 1 



8 



19 



do 



16 



N.E 



do. do, 



Snow 

 Mod. Clear. 



stratus or cirro-stratus. 

 Little mist from the rapid 



At midnight, a faint arch extended from the horizon in the S. E. b. E. to 

 the N. W.b.W., its centre passing to the southward of the zenith. Bright 

 moon-light. 





