140 
zodiacal light. 2ndly, That there was on that morning a 
flux and reflux of the light. I cannot attempt to account for 
the former; but I suspect that the latter appearance arose 
from a rising and sinking of the imperceptible terrestrial 
vapour. 
*“*Epwarp J. Cooper. 
“ To the Secretary of 
“ The Royal Irish Academy, §c. §c.” 
Mr. William Hogan read the following notice of the storm 
of Sunday, 6th July, 1845: 
‘< | was in Leamington at the time, and, though it did not 
rage there, I had an opportunity of witnessing the atmos- 
pheric phenomena, as the thunder-cloud passed at a small dis- 
tance to the north, and I observed its course for an hour anda 
half. 
‘¢ To shew what its aspect was to those over whom it passed, 
I extract the following particulars of its history twenty miles 
to the north of Leamington, from the published account of 
Mr. Onion, of the Philosophie Institution at Birmingham. 
After alluding to a violent storm of the preceding Thursday, 
he says: ‘ Birmingham has again been visited by a thunder- 
storm more terrible, and in its consequences more disastrous, 
than the former. On Saturday afternoon the thermometer 
varied at different times from 70° to 78°; not a breath of 
air stirring, the barometer being moderately high. About 
eight o’clock, p. M., a few heavy drops of rain fell, which were 
shortly afterwards followed by a complete deluge of water; the 
lightning was grand and awful in the highest degree, flash 
succeeding flash in rapid succession, and of that beautiful 
purple tint which betokens a large quantity of free electricity 
in the atmosphere. ‘The thunder in the mean time rolled in 
nearly one continued peal; the wind, which had been varying 
from S. E. to E., suddenly shifted to S., and about the middle 
