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Heat of July, 1825. 195 
amall grubs about an inch in length, that breed in the roots 
from nits deposited there the preceding season, and in the 
spring hatch and feed upon those roots, and after devouring 
the sap, then make their way up the body of the tree, nour- 
ishing themselves as they proceed till they advance two or 
they die and the tree dies with them. Now for the remedy, 
which has never been known to fail. As soon as the buds | 
begin to put forth and the leaf to appear in the spring, and - 
before they are quite out, remove from the bottom of the tree 
entirely all the dirt or turf till you come to the bare roots, 
from which scrape all the loose, old rotten bark; then take 
three quarts of fresh slacked lime for a large and full grown 
tree, and so in proportion for a smaller and younger one, and 
lay it carefully on and about the roots, covering it from the 
weather, and it will destroy these destructive maggots entire- 
ly.—N. Y. Eve. Post. tag thy 
5. Unprecedented Cold.—PLAaTTsBurcu, Feb. 22, 1826. 
On Tuesday and Wednesday of last week, was the coldest 
weather probably ever experienced in the United States. 
We did not ascertain how low thermometer sunk in this 
place ; but at Fort Covington, fourteen miles distant, a ther- 
mometer sunk to 40° below zero, and the mercury froze! 
How much lower an alcohol thermometer would have sunk, 
is not known; probably, however, not more than one or two 
degrees, as mercury exposed at the same time, was a long time 
in congealing. A degree of cold, sufficient to freeze mercu- 
ry was never before noticed in the United States, and proba~ _ 
bly never in so low a latitude as 45. The coldest weather 
that we recollect to have heard of in this country, was 32° 
low zero, Iniellivencete 2D SBP: POP 
6. The heat of July 1825, seems to have been as oppres- 
sive in England and France as in this country, and to have 
been attended in some instances, with the same fatal effects, 
as a number of sudden deaths are mentioned in the papers. 
The thermometer stood at Bath on the 19th, in the s at 
89 degrees; and the number of horses that had died, is sup- 
posed to be greater than at any former period. The effects 
of continued hot weather were seriously felt. Brooks and 
ponds were become quite dry, and vege was suffering 
from the scorching heat of the sun. ‘The weather in Paris 
