Thunder and Hail Storms in New South Wales. 
By H. C. Russenr, B.A., F.R.AS. 
[Read before the Royal Society of N.S. W., 1 December, 1880.] 
call for some precaution against it in the construction of the build- 
ing, and the question was referred to me for an answer. After a 
careful ination of all tl ilabl 1s up to the end of 1878, 
I addressed to the Commission a letter, the substance of which ma 
be here quoted :—“ After a careful examination of the recorded 
ance also with the above, it appears that they are not severe or 
numerous in wet years. As the present year (1879) may be fairly 
classed amongst these, the probability of a severe hail-storm is very 
remote, and would not I think justify the outlay necessary to pro- 
vide special protection for the glass in the roof of the building.” 
The examination necessary to arrive at the answer involved some 
is the great number of storms in the.early of November, or 
when the earth is ing through the November meteor stre 
The first table shows the date, place at which i ( 
line used for thunder-storms was therefore made uniform ; and the 
number. which in. urse of years have occurred op the same 
