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VIII. Description of a Set of Halo's and Parhelia , feen in tire 
Tear 1771, in North- America. By Alexander Baxter, Efq. ; 
communicated by Sir Jofeph Banks,, Bart . P. R. S. 
Read December 7, 1786.. 
E XTRACT from a journal kept in the upper countries of 
North-America. At Fort Gloucefter, on the river of 
Lake Superior, fix miles above the falls of St. Mary’s, and 
as much from the head of the river, where it ifliies from 
the Lake. 
“ January 22, 1771. Laft night and to-day the froft has 
i>een more fevere than at any time this winter : I was hardly 
able, at mid-day, to keep my face to the wind uncovered, 
though the fun fihone very bright, and the fky clear. 
“ In the morning the wind was eafterly, which went about 
with the fun to the fouth and wefhvard, returning to the eaft 
in the evening/, a very fmall breeze. 
“ A little before two o’clock P.M. obferved as follows. 
There was a very large circle or halo round the fun (fee Tab. V.) 
within which the fky was thick and dufky, the reft of the 
hemifphere being clear ; and, a little more than one-third way 
from the horizon to the zenith, was a beautifully enlightened- 
circle, parallel to the horizon, which went quite round, till the 
two ends of it terminated in the circle that furrounded the fun ; 
where 
