602 



APrENDIX. [No.III 



December 4th, 1820. 



Hour. Temp. Wind. 



A. M. 9 - 1 1 N N. W. Fresh clear sky. 



Noon —10 do. do. do. 



P.M.2h.30m. — 14 do. do. do. A thick cloud of mist hanging 



over the rapid. 

 4 — 18 Wind very variable from south by the westward to N.E. 



moderate clear. 

 9 -25 do. Clear. 



The Aurora forming a broad arch of bright light, its centre about 45° south 

 of the zenith, and its extremities bearing S.E. and N.W., respectively. It 

 passed gradually to the southward and disappeared. 



December 5th, 1820. 



Hour. Temp. Wind. 



A. M. 9 — 26° N.E. Light breezes and clear weather. 

 Noon -20 do. do. 



P. M. 4 — 22 do. do. A thick mist rising from the rapid all day. 



9 -26 do. do. 



The Aurora to-night had its light disposed in large masses, having indefi 



hapes, situated 



parts of the sky, but most crowded in the 



southern quarter. There were several layers of dark clouds near the horizon. 

 The Aurora was visible in various spots where no stars were to be seen, but 

 several of the larger stars were visible through a bright arch, which at one 

 time crossed the zenith, having a direction from north to south. 



December 6th, 1820. 



Hour. Temp. Wind. 



A.M. 9 -15 W. Moderate. Hazy with a light fall of snow . 



Noon +2 W.N.W. do. do. 



4 -6 N.W. Fresh. do. No mist from the rapid.. 



9 -14 W. Light. Clear. 



Aurora, in an arch form, passing from S.E. to N.W. over the zenith, broad 

 towards its middle, but narrow and spirally twisted near the horizon. Stars 

 appeared through it without any perceptible diminution of their brilliancy. 



