Prof. Loomis on the Hail Storm of the first of July, 1853. 35 
instead of ter-sulphuret of antimony. Indeed, some real con- 
nection between these two minerals seems to be further indicated 
by their occurrence in the same crystalline system, and their 
close resemblance to each other in hardness, specific gravity, and 
general physical characters. 
a 
Arr. IV.—Notice of the Hail Storm which passed over New 
York City, on the first of July, 1853; by Exsas Loomis, Pro- 
fessor of Mathematics and Natural Philosophy, in the Univer- 
sity of the City of New York. 
On the first of July, 1853, a very remarkable hail storm passed 
over the city of New York. The day had been uncommonly 
hot and sultry, the thermometer having risen to 90 degrees, and 
the air was believed to contain an unusual amount of vapor. 
little before 5 o’clock in the afternoon, a heavy black cloud was 
observed to rise in the northwest, the wind at the time blowing 
moderately from the northeast, and subsequently from the east. 
As the cloud advanced and covered the northwestern sky, 
while it was still clear in the southeast, numerous streaks of zig- 
zag lightning appeared to issue from the front margin of the 
cloud and descend towards the earth. I noticed the approach of 
the storm from my lodgings in Eighth street, within a quarter of a 
mile of the University. About five o’clock the wind came strong 
as large as my fist. They almost invariably broke on striking 
the pavement ; so that I could not secure either of t ose large 
Stones except in fragments; and moreover the rain was falling in 
arene. I however hastened to the yard in isn ie ne _ 
use, hoping to find some upon the grass which had not 
been broken in the fall. After the rain had nearly subsided, we 
