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and presented part of an arch based upon the upper part 
of another,—this latter throwing out singularly brilliant 
coruscating streamers towards the zenith, while it rested on 
luminous clouds, near the horizon, somewhat in this manner: 
very extensive, towards the N. W., with the ordinary flashing 
and playing masses of light. 
“ The colour of the aurora, when first seen, was slightly 
reddish, afterwards decidedly yellow; the streamers were 
occasionally very brilliant and perfectly white.” 
The subject of the aurora having been brought before 
the Academy, Dr. Apjohn took the opportunity of describ- 
ing a very beautiful phenomenon of the kind, which had 
‘been observed on the 16th of last September, at Sunville, 
_ in the county of Limerick. It was first noticed at about 
half past eight o’clock in the evening, and did not disappear 
_ for very nearly an hour. It was first seen in the southern 
part of the hemisphere, and consisted of a number of stream- 
ers of variable brilliancy, shooting upwards in vertical cir- 
cles, or, more strictly speaking, converging towards a point 
which appeared a few degrees to the south-east of the 
zenith. ‘They did not in any case originate from the hori- 
—o- 
